sysconf_DATA = sample/pgpool.conf.sample \
sample/pcp.conf.sample \
sample/pool_hba.conf.sample \
- sample/pgpool.conf.sample-replication \
- sample/pgpool.conf.sample-slony \
- sample/pgpool.conf.sample-stream \
- sample/pgpool.conf.sample-logical \
- sample/pgpool.conf.sample-raw \
- sample/pgpool.conf.sample-snapshot \
sample/scripts/failover.sh.sample \
sample/scripts/follow_primary.sh.sample \
sample/scripts/pgpool_remote_start.sample \
+++ /dev/null
-# ----------------------------
-# pgPool-II configuration file
-# ----------------------------
-#
-# This file consists of lines of the form:
-#
-# name = value
-#
-# Whitespace may be used. Comments are introduced with "#" anywhere on a line.
-# The complete list of parameter names and allowed values can be found in the
-# pgPool-II documentation.
-#
-# This file is read on server startup and when the server receives a SIGHUP
-# signal. If you edit the file on a running system, you have to SIGHUP the
-# server for the changes to take effect, or use "pgpool reload". Some
-# parameters, which are marked below, require a server shutdown and restart to
-# take effect.
-#
-
-#------------------------------------------------------------------------------
-# BACKEND CLUSTERING MODE
-# Choose one of: 'streaming_replication', 'native_replication',
-# 'logical_replication', 'slony', 'raw' or 'snapshot_isolation'
-#------------------------------------------------------------------------------
-
-backend_clustering_mode = 'logical_replication'
-
-#------------------------------------------------------------------------------
-# CONNECTIONS
-#------------------------------------------------------------------------------
-
-# - pgpool Connection Settings -
-
-#listen_addresses = 'localhost'
- # Host name or IP address to listen on:
- # '*' for all, '' for no TCP/IP connections
- # (change requires restart)
-#port = 9999
- # Port number
- # (change requires restart)
-#socket_dir = '/tmp'
- # Unix domain socket path
- # The Debian package defaults to
- # /var/run/postgresql
- # (change requires restart)
-#reserved_connections = 0
- # Number of reserved connections.
- # Pgpool-II does not accept connections if over
- # num_init_chidlren - reserved_connections.
-
-
-# - pgpool Communication Manager Connection Settings -
-
-#pcp_listen_addresses = '*'
- # Host name or IP address for pcp process to listen on:
- # '*' for all, '' for no TCP/IP connections
- # (change requires restart)
-#pcp_port = 9898
- # Port number for pcp
- # (change requires restart)
-#pcp_socket_dir = '/tmp'
- # Unix domain socket path for pcp
- # The Debian package defaults to
- # /var/run/postgresql
- # (change requires restart)
-#listen_backlog_multiplier = 2
- # Set the backlog parameter of listen(2) to
- # num_init_children * listen_backlog_multiplier.
- # (change requires restart)
-#serialize_accept = off
- # whether to serialize accept() call to avoid thundering herd problem
- # (change requires restart)
-
-# - Backend Connection Settings -
-
-#backend_hostname0 = 'host1'
- # Host name or IP address to connect to for backend 0
-#backend_port0 = 5432
- # Port number for backend 0
-#backend_weight0 = 1
- # Weight for backend 0 (only in load balancing mode)
-#backend_data_directory0 = '/data'
- # Data directory for backend 0
-#backend_flag0 = 'ALLOW_TO_FAILOVER'
- # Controls various backend behavior
- # ALLOW_TO_FAILOVER, DISALLOW_TO_FAILOVER
- # or ALWAYS_PRIMARY
-#backend_application_name0 = 'server0'
- # walsender's application_name, used for "show pool_nodes" command
-#backend_hostname1 = 'host2'
-#backend_port1 = 5433
-#backend_weight1 = 1
-#backend_data_directory1 = '/data1'
-#backend_flag1 = 'ALLOW_TO_FAILOVER'
-#backend_application_name1 = 'server1'
-
-# - Authentication -
-
-#enable_pool_hba = off
- # Use pool_hba.conf for client authentication
-#pool_passwd = 'pool_passwd'
- # File name of pool_passwd for md5 authentication.
- # "" disables pool_passwd.
- # (change requires restart)
-#authentication_timeout = 1min
- # Delay in seconds to complete client authentication
- # 0 means no timeout.
-
-#allow_clear_text_frontend_auth = off
- # Allow Pgpool-II to use clear text password authentication
- # with clients, when pool_passwd does not
- # contain the user password
-
-# - SSL Connections -
-
-#ssl = off
- # Enable SSL support
- # (change requires restart)
-#ssl_key = 'server.key'
- # SSL private key file
- # (change requires restart)
-#ssl_cert = 'server.crt'
- # SSL public certificate file
- # (change requires restart)
-#ssl_ca_cert = ''
- # Single PEM format file containing
- # CA root certificate(s)
- # (change requires restart)
-#ssl_ca_cert_dir = ''
- # Directory containing CA root certificate(s)
- # (change requires restart)
-#ssl_crl_file = ''
- # SSL certificate revocation list file
- # (change requires restart)
-
-#ssl_ciphers = 'HIGH:MEDIUM:+3DES:!aNULL'
- # Allowed SSL ciphers
- # (change requires restart)
-#ssl_prefer_server_ciphers = off
- # Use server's SSL cipher preferences,
- # rather than the client's
- # (change requires restart)
-#ssl_ecdh_curve = 'prime256v1'
- # Name of the curve to use in ECDH key exchange
-#ssl_dh_params_file = ''
- # Name of the file containing Diffie-Hellman parameters used
- # for so-called ephemeral DH family of SSL cipher.
-#ssl_passphrase_command=''
- # Sets an external command to be invoked when a passphrase
- # for decrypting an SSL file needs to be obtained
- # (change requires restart)
-
-#------------------------------------------------------------------------------
-# POOLS
-#------------------------------------------------------------------------------
-
-# - Concurrent session and pool size -
-
-#num_init_children = 32
- # Number of concurrent sessions allowed
- # (change requires restart)
-#max_pool = 4
- # Number of connection pool caches per connection
- # (change requires restart)
-
-# - Life time -
-
-#child_life_time = 5min
- # Pool exits after being idle for this many seconds
-#child_max_connections = 0
- # Pool exits after receiving that many connections
- # 0 means no exit
-#connection_life_time = 0
- # Connection to backend closes after being idle for this many seconds
- # 0 means no close
-#client_idle_limit = 0
- # Client is disconnected after being idle for that many seconds
- # (even inside an explicit transactions!)
- # 0 means no disconnection
-
-
-#------------------------------------------------------------------------------
-# LOGS
-#------------------------------------------------------------------------------
-
-# - Where to log -
-
-#log_destination = 'stderr'
- # Where to log
- # Valid values are combinations of stderr,
- # and syslog. Default to stderr.
-
-# - What to log -
-
-#log_line_prefix = '%t: pid %p: ' # printf-style string to output at beginning of each log line.
-
-#log_connections = off
- # Log connections
-#log_disconnections = off
- # Log disconnections
-#log_hostname = off
- # Hostname will be shown in ps status
- # and in logs if connections are logged
-#log_statement = off
- # Log all statements
-#log_per_node_statement = off
- # Log all statements
- # with node and backend informations
-#log_client_messages = off
- # Log any client messages
-#log_standby_delay = 'if_over_threshold'
- # Log standby delay
- # Valid values are combinations of always,
- # if_over_threshold, none
-
-# - Syslog specific -
-
-#syslog_facility = 'LOCAL0'
- # Syslog local facility. Default to LOCAL0
-#syslog_ident = 'pgpool'
- # Syslog program identification string
- # Default to 'pgpool'
-
-# - Debug -
-
-#log_error_verbosity = default # terse, default, or verbose messages
-
-#client_min_messages = notice # values in order of decreasing detail:
- # debug5
- # debug4
- # debug3
- # debug2
- # debug1
- # log
- # notice
- # warning
- # error
-
-#log_min_messages = warning # values in order of decreasing detail:
- # debug5
- # debug4
- # debug3
- # debug2
- # debug1
- # info
- # notice
- # warning
- # error
- # log
- # fatal
- # panic
-
-# This is used when logging to stderr:
-#logging_collector = off
- # Enable capturing of stderr
- # into log files.
- # (change requires restart)
-
-# -- Only used if logging_collector is on ---
-
-#log_directory = '/tmp/pgpool_logs'
- # directory where log files are written,
- # can be absolute
-#log_filename = 'pgpool-%Y-%m-%d_%H%M%S.log'
- # log file name pattern,
- # can include strftime() escapes
-
-#log_file_mode = 0600
- # creation mode for log files,
- # begin with 0 to use octal notation
-
-#log_truncate_on_rotation = off
- # If on, an existing log file with the
- # same name as the new log file will be
- # truncated rather than appended to.
- # But such truncation only occurs on
- # time-driven rotation, not on restarts
- # or size-driven rotation. Default is
- # off, meaning append to existing files
- # in all cases.
-
-#log_rotation_age = 1d
- # Automatic rotation of logfiles will
- # happen after that (minutes)time.
- # 0 disables time based rotation.
-#log_rotation_size = 10MB
- # Automatic rotation of logfiles will
- # happen after that much (KB) log output.
- # 0 disables size based rotation.
-
-#------------------------------------------------------------------------------
-# FILE LOCATIONS
-#------------------------------------------------------------------------------
-
-#pid_file_name = '/var/run/pgpool/pgpool.pid'
- # PID file name
- # Can be specified as relative to the"
- # location of pgpool.conf file or
- # as an absolute path
- # (change requires restart)
-#logdir = '/tmp'
- # Directory of pgPool status file
- # (change requires restart)
-
-
-#------------------------------------------------------------------------------
-# CONNECTION POOLING
-#------------------------------------------------------------------------------
-
-#connection_cache = on
- # Activate connection pools
- # (change requires restart)
-
- # Semicolon separated list of queries
- # to be issued at the end of a session
- # The default is for 8.3 and later
-#reset_query_list = 'ABORT; DISCARD ALL'
- # The following one is for 8.2 and before
-#reset_query_list = 'ABORT; RESET ALL; SET SESSION AUTHORIZATION DEFAULT'
-
-
-#------------------------------------------------------------------------------
-# REPLICATION MODE
-#------------------------------------------------------------------------------
-
-#replicate_select = off
- # Replicate SELECT statements
- # when in replication mode
- # replicate_select is higher priority than
- # load_balance_mode.
-
-#insert_lock = off
- # Automatically locks a dummy row or a table
- # with INSERT statements to keep SERIAL data
- # consistency
- # Without SERIAL, no lock will be issued
-#lobj_lock_table = ''
- # When rewriting lo_creat command in
- # replication mode, specify table name to
- # lock
-
-# - Degenerate handling -
-
-#replication_stop_on_mismatch = off
- # On disagreement with the packet kind
- # sent from backend, degenerate the node
- # which is most likely "minority"
- # If off, just force to exit this session
-
-#failover_if_affected_tuples_mismatch = off
- # On disagreement with the number of affected
- # tuples in UPDATE/DELETE queries, then
- # degenerate the node which is most likely
- # "minority".
- # If off, just abort the transaction to
- # keep the consistency
-
-
-#------------------------------------------------------------------------------
-# LOAD BALANCING MODE
-#------------------------------------------------------------------------------
-
-#load_balance_mode = on
- # Activate load balancing mode
- # (change requires restart)
-#ignore_leading_white_space = on
- # Ignore leading white spaces of each query
-#read_only_function_list = ''
- # Comma separated list of function names
- # that don't write to database
- # Regexp are accepted
-#write_function_list = ''
- # Comma separated list of function names
- # that write to database
- # Regexp are accepted
- # If both read_only_function_list and write_function_list
- # is empty, function's volatile property is checked.
- # If it's volatile, the function is regarded as a
- # writing function.
-
-#primary_routing_query_pattern_list = ''
- # Semicolon separated list of query patterns
- # that should be sent to primary node
- # Regexp are accepted
- # valid for streaming replicaton mode only.
-
-#database_redirect_preference_list = ''
- # comma separated list of pairs of database and node id.
- # example: postgres:primary,mydb[0-4]:1,mydb[5-9]:2'
- # valid for streaming replicaton mode only.
-
-#app_name_redirect_preference_list = ''
- # comma separated list of pairs of app name and node id.
- # example: 'psql:primary,myapp[0-4]:1,myapp[5-9]:standby'
- # valid for streaming replicaton mode only.
-#allow_sql_comments = off
- # if on, ignore SQL comments when judging if load balance or
- # query cache is possible.
- # If off, SQL comments effectively prevent the judgment
- # (pre 3.4 behavior).
-
-#statement_level_load_balance = off
- # Enables statement level load balancing
-
-#------------------------------------------------------------------------------
-# STREAMING REPLICATION MODE
-#------------------------------------------------------------------------------
-
-# - Streaming -
-
-#sr_check_period = 0
- # Streaming replication check period
- # Disabled (0) by default
-#sr_check_user = 'nobody'
- # Streaming replication check user
- # This is neccessary even if you disable streaming
- # replication delay check by sr_check_period = 0
-#sr_check_password = ''
- # Password for streaming replication check user.
- # Leaving it empty will make Pgpool-II to first look for the
- # Password in pool_passwd file before using the empty password
-
-#sr_check_database = 'postgres'
- # Database name for streaming replication check
-#delay_threshold = 10000000
- # Threshold before not dispatching query to standby node
- # Unit is in bytes
- # Disabled (0) by default
-#prefer_lower_delay_standby = off
- # If delay_threshold is set larger than 0, Pgpool-II send to
- # the primary when selected node is delayed over delay_threshold.
- # If this is set to on, Pgpool-II send query to other standby
- # delayed lower.
-
-# - Special commands -
-
-#follow_primary_command = ''
- # Executes this command after main node failover
- # Special values:
- # %d = failed node id
- # %h = failed node host name
- # %p = failed node port number
- # %D = failed node database cluster path
- # %m = new main node id
- # %H = new main node hostname
- # %M = old main node id
- # %P = old primary node id
- # %r = new main port number
- # %R = new main database cluster path
- # %N = old primary node hostname
- # %S = old primary node port number
- # %% = '%' character
-
-#------------------------------------------------------------------------------
-# HEALTH CHECK GLOBAL PARAMETERS
-#------------------------------------------------------------------------------
-
-#health_check_period = 0
- # Health check period
- # Disabled (0) by default
-#health_check_timeout = 20
- # Health check timeout
- # 0 means no timeout
-#health_check_user = 'nobody'
- # Health check user
-#health_check_password = ''
- # Password for health check user
- # Leaving it empty will make Pgpool-II to first look for the
- # Password in pool_passwd file before using the empty password
-
-#health_check_database = ''
- # Database name for health check. If '', tries 'postgres' frist,
-#health_check_max_retries = 0
- # Maximum number of times to retry a failed health check before giving up.
-#health_check_retry_delay = 1
- # Amount of time to wait (in seconds) between retries.
-#connect_timeout = 10000
- # Timeout value in milliseconds before giving up to connect to backend.
- # Default is 10000 ms (10 second). Flaky network user may want to increase
- # the value. 0 means no timeout.
- # Note that this value is not only used for health check,
- # but also for ordinary conection to backend.
-
-#------------------------------------------------------------------------------
-# HEALTH CHECK PER NODE PARAMETERS (OPTIONAL)
-#------------------------------------------------------------------------------
-#health_check_period0 = 0
-#health_check_timeout0 = 20
-#health_check_user0 = 'nobody'
-#health_check_password0 = ''
-#health_check_database0 = ''
-#health_check_max_retries0 = 0
-#health_check_retry_delay0 = 1
-#connect_timeout0 = 10000
-
-#------------------------------------------------------------------------------
-# FAILOVER AND FAILBACK
-#------------------------------------------------------------------------------
-
-#failover_command = ''
- # Executes this command at failover
- # Special values:
- # %d = failed node id
- # %h = failed node host name
- # %p = failed node port number
- # %D = failed node database cluster path
- # %m = new main node id
- # %H = new main node hostname
- # %M = old main node id
- # %P = old primary node id
- # %r = new main port number
- # %R = new main database cluster path
- # %N = old primary node hostname
- # %S = old primary node port number
- # %% = '%' character
-#failback_command = ''
- # Executes this command at failback.
- # Special values:
- # %d = failed node id
- # %h = failed node host name
- # %p = failed node port number
- # %D = failed node database cluster path
- # %m = new main node id
- # %H = new main node hostname
- # %M = old main node id
- # %P = old primary node id
- # %r = new main port number
- # %R = new main database cluster path
- # %N = old primary node hostname
- # %S = old primary node port number
- # %% = '%' character
-
-#failover_on_backend_error = on
- # Initiates failover when reading/writing to the
- # backend communication socket fails
- # If set to off, pgpool will report an
- # error and disconnect the session.
-
-#failover_on_backend_shutdown = off
- # Initiates failover when backend is shutdown,
- # or backend process is killed.
- # If set to off, pgpool will report an
- # error and disconnect the session.
-
-#detach_false_primary = off
- # Detach false primary if on. Only
- # valid in streaming replicaton
- # mode and with PostgreSQL 9.6 or
- # after.
-
-#search_primary_node_timeout = 5min
- # Timeout in seconds to search for the
- # primary node when a failover occurs.
- # 0 means no timeout, keep searching
- # for a primary node forever.
-
-#auto_failback = off
- # Dettached backend node reattach automatically
- # if replication_state is 'streaming'.
-#auto_failback_interval = 1min
- # Min interval of executing auto_failback in
- # seconds.
-
-#------------------------------------------------------------------------------
-# ONLINE RECOVERY
-#------------------------------------------------------------------------------
-
-#recovery_user = 'nobody'
- # Online recovery user
-#recovery_password = ''
- # Online recovery password
- # Leaving it empty will make Pgpool-II to first look for the
- # Password in pool_passwd file before using the empty password
-
-#recovery_1st_stage_command = ''
- # Executes a command in first stage
-#recovery_2nd_stage_command = ''
- # Executes a command in second stage
-#recovery_timeout = 90
- # Timeout in seconds to wait for the
- # recovering node's postmaster to start up
- # 0 means no wait
-#client_idle_limit_in_recovery = 0
- # Client is disconnected after being idle
- # for that many seconds in the second stage
- # of online recovery
- # 0 means no disconnection
- # -1 means immediate disconnection
-
-
-#------------------------------------------------------------------------------
-# WATCHDOG
-#------------------------------------------------------------------------------
-
-# - Enabling -
-
-#use_watchdog = off
- # Activates watchdog
- # (change requires restart)
-
-# -Connection to up stream servers -
-
-#trusted_servers = ''
- # trusted server list which are used
- # to confirm network connection
- # (hostA,hostB,hostC,...)
- # (change requires restart)
-#ping_path = '/bin'
- # ping command path
- # (change requires restart)
-
-# - Watchdog communication Settings -
-
-#hostname0 = ''
- # Host name or IP address of pgpool node
- # for watchdog connection
- # (change requires restart)
-#wd_port0 = 9000
- # Port number for watchdog service
- # (change requires restart)
-#pgpool_port0 = 9999
- # Port number for pgpool
- # (change requires restart)
-
-#hostname1 = ''
-#wd_port1 = 9000
-#pgpool_port1 = 9999
-
-#hostname2 = ''
-#wd_port2 = 9000
-#pgpool_port2 = 9999
-
-#wd_priority = 1
- # priority of this watchdog in leader election
- # (change requires restart)
-
-#wd_authkey = ''
- # Authentication key for watchdog communication
- # (change requires restart)
-
-#wd_ipc_socket_dir = '/tmp'
- # Unix domain socket path for watchdog IPC socket
- # The Debian package defaults to
- # /var/run/postgresql
- # (change requires restart)
-
-
-# - Virtual IP control Setting -
-
-#delegate_IP = ''
- # delegate IP address
- # If this is empty, virtual IP never bring up.
- # (change requires restart)
-#if_cmd_path = '/sbin'
- # path to the directory where if_up/down_cmd exists
- # If if_up/down_cmd starts with "/", if_cmd_path will be ignored.
- # (change requires restart)
-#if_up_cmd = '/usr/bin/sudo /sbin/ip addr add $_IP_$/24 dev eth0 label eth0:0'
- # startup delegate IP command
- # (change requires restart)
-#if_down_cmd = '/usr/bin/sudo /sbin/ip addr del $_IP_$/24 dev eth0'
- # shutdown delegate IP command
- # (change requires restart)
-#arping_path = '/usr/sbin'
- # arping command path
- # If arping_cmd starts with "/", if_cmd_path will be ignored.
- # (change requires restart)
-#arping_cmd = '/usr/bin/sudo /usr/sbin/arping -U $_IP_$ -w 1 -I eth0'
- # arping command
- # (change requires restart)
-
-# - Behaivor on escalation Setting -
-
-#clear_memqcache_on_escalation = on
- # Clear all the query cache on shared memory
- # when standby pgpool escalate to active pgpool
- # (= virtual IP holder).
- # This should be off if client connects to pgpool
- # not using virtual IP.
- # (change requires restart)
-#wd_escalation_command = ''
- # Executes this command at escalation on new active pgpool.
- # (change requires restart)
-#wd_de_escalation_command = ''
- # Executes this command when leader pgpool resigns from being leader.
- # (change requires restart)
-# - Watchdog consensus settings for failover -
-
-#failover_when_quorum_exists = on
- # Only perform backend node failover
- # when the watchdog cluster holds the quorum
-
-#failover_require_consensus = on
- # Perform failover when majority of Pgpool-II nodes
- # aggrees on the backend node status change
-
-#enable_multiple_failover_requests_from_node = off
- # A Pgpool-II node can cast multiple votes
- # for building the consensus on failover
-
-#enable_consensus_with_half_votes = off
- # apply majority rule for consensus and quorum computation
- # at 50% of votes in a cluster with even number of nodes.
- # when enabled the existence of quorum and consensus
- # on failover is resolved after receiving half of the
- # total votes in the cluster, otherwise both these
- # decisions require at least one more vote than
- # half of the total votes.
- # (change requires restart)
-
-# - Lifecheck Setting -
-
-# -- common --
-
-#wd_monitoring_interfaces_list = ''
- # Comma separated list of interfaces names to monitor.
- # if any interface from the list is active the watchdog will
- # consider the network is fine
- # 'any' to enable monitoring on all interfaces except loopback
- # '' to disable monitoring
-
-#wd_lifecheck_method = 'heartbeat'
- # Method of watchdog lifecheck ('heartbeat' or 'query' or 'external')
- # (change requires restart)
-#wd_interval = 10
- # lifecheck interval (sec) > 0
- # (change requires restart)
-
-# -- heartbeat mode --
-
-#heartbeat_hostname0 = ''
- # Host name or IP address used
- # for sending heartbeat signal.
- # (change requires restart)
-#heartbeat_port0 = 9694
- # Port number used for receiving/sending heartbeat signal
- # Usually this is the same as heartbeat_portX.
- # (change requires restart)
-#heartbeat_device0 = ''
- # Name of NIC device (such like 'eth0')
- # used for sending/receiving heartbeat
- # signal to/from destination 0.
- # This works only when this is not empty
- # and pgpool has root privilege.
- # (change requires restart)
-
-#heartbeat_hostname1 = ''
-#heartbeat_port1 = 9694
-#heartbeat_device1 = ''
-#heartbeat_hostname2 = ''
-#heartbeat_port2 = 9694
-#heartbeat_device2 = ''
-
-#wd_heartbeat_keepalive = 2
- # Interval time of sending heartbeat signal (sec)
- # (change requires restart)
-#wd_heartbeat_deadtime = 30
- # Deadtime interval for heartbeat signal (sec)
- # (change requires restart)
-
-# -- query mode --
-
-#wd_life_point = 3
- # lifecheck retry times
- # (change requires restart)
-#wd_lifecheck_query = 'SELECT 1'
- # lifecheck query to pgpool from watchdog
- # (change requires restart)
-#wd_lifecheck_dbname = 'template1'
- # Database name connected for lifecheck
- # (change requires restart)
-#wd_lifecheck_user = 'nobody'
- # watchdog user monitoring pgpools in lifecheck
- # (change requires restart)
-#wd_lifecheck_password = ''
- # Password for watchdog user in lifecheck
- # Leaving it empty will make Pgpool-II to first look for the
- # Password in pool_passwd file before using the empty password
- # (change requires restart)
-
-# - Other pgpool Connection Settings -
-
-#other_pgpool_hostname0 = 'host0'
- # Host name or IP address to connect to for other pgpool 0
- # (change requires restart)
-#other_pgpool_port0 = 5432
- # Port number for other pgpool 0
- # (change requires restart)
-#other_wd_port0 = 9000
- # Port number for other watchdog 0
- # (change requires restart)
-#other_pgpool_hostname1 = 'host1'
-#other_pgpool_port1 = 5432
-#other_wd_port1 = 9000
-
-
-#------------------------------------------------------------------------------
-# OTHERS
-#------------------------------------------------------------------------------
-#relcache_expire = 0
- # Life time of relation cache in seconds.
- # 0 means no cache expiration(the default).
- # The relation cache is used for cache the
- # query result against PostgreSQL system
- # catalog to obtain various information
- # including table structures or if it's a
- # temporary table or not. The cache is
- # maintained in a pgpool child local memory
- # and being kept as long as it survives.
- # If someone modify the table by using
- # ALTER TABLE or some such, the relcache is
- # not consistent anymore.
- # For this purpose, cache_expiration
- # controls the life time of the cache.
-#relcache_size = 256
- # Number of relation cache
- # entry. If you see frequently:
- # "pool_search_relcache: cache replacement happend"
- # in the pgpool log, you might want to increate this number.
-
-#check_temp_table = catalog
- # Temporary table check method. catalog, trace or none.
- # Default is catalog.
-
-#check_unlogged_table = on
- # If on, enable unlogged table check in SELECT statements.
- # This initiates queries against system catalog of primary/main
- # thus increases load of primary.
- # If you are absolutely sure that your system never uses unlogged tables
- # and you want to save access to primary/main, you could turn this off.
- # Default is on.
-#enable_shared_relcache = on
- # If on, relation cache stored in memory cache,
- # the cache is shared among child process.
- # Default is on.
- # (change requires restart)
-
-relcache_query_target = primary
- # Target node to send relcache queries. Default is primary node.
- # If load_balance_node is specified, queries will be sent to load balance node.
-#------------------------------------------------------------------------------
-# IN MEMORY QUERY MEMORY CACHE
-#------------------------------------------------------------------------------
-#memory_cache_enabled = off
- # If on, use the memory cache functionality, off by default
- # (change requires restart)
-#memqcache_method = 'shmem'
- # Cache storage method. either 'shmem'(shared memory) or
- # 'memcached'. 'shmem' by default
- # (change requires restart)
-#memqcache_memcached_host = 'localhost'
- # Memcached host name or IP address. Mandatory if
- # memqcache_method = 'memcached'.
- # Defaults to localhost.
- # (change requires restart)
-#memqcache_memcached_port = 11211
- # Memcached port number. Mondatory if memqcache_method = 'memcached'.
- # Defaults to 11211.
- # (change requires restart)
-#memqcache_total_size = 64MB
- # Total memory size in bytes for storing memory cache.
- # Mandatory if memqcache_method = 'shmem'.
- # Defaults to 64MB.
- # (change requires restart)
-#memqcache_max_num_cache = 1000000
- # Total number of cache entries. Mandatory
- # if memqcache_method = 'shmem'.
- # Each cache entry consumes 48 bytes on shared memory.
- # Defaults to 1,000,000(45.8MB).
- # (change requires restart)
-#memqcache_expire = 0
- # Memory cache entry life time specified in seconds.
- # 0 means infinite life time. 0 by default.
- # (change requires restart)
-#memqcache_auto_cache_invalidation = on
- # If on, invalidation of query cache is triggered by corresponding
- # DDL/DML/DCL(and memqcache_expire). If off, it is only triggered
- # by memqcache_expire. on by default.
- # (change requires restart)
-#memqcache_maxcache = 400kB
- # Maximum SELECT result size in bytes.
- # Must be smaller than memqcache_cache_block_size. Defaults to 400KB.
- # (change requires restart)
-#memqcache_cache_block_size = 1MB
- # Cache block size in bytes. Mandatory if memqcache_method = 'shmem'.
- # Defaults to 1MB.
- # (change requires restart)
-#memqcache_oiddir = '/var/log/pgpool/oiddir'
- # Temporary work directory to record table oids
- # (change requires restart)
-#cache_safe_memqcache_table_list = ''
- # Comma separated list of table names to memcache
- # that don't write to database
- # Regexp are accepted
-#cache_unsafe_memqcache_table_list = ''
- # Comma separated list of table names not to memcache
- # that don't write to database
- # Regexp are accepted
+++ /dev/null
-# ----------------------------
-# pgPool-II configuration file
-# ----------------------------
-#
-# This file consists of lines of the form:
-#
-# name = value
-#
-# Whitespace may be used. Comments are introduced with "#" anywhere on a line.
-# The complete list of parameter names and allowed values can be found in the
-# pgPool-II documentation.
-#
-# This file is read on server startup and when the server receives a SIGHUP
-# signal. If you edit the file on a running system, you have to SIGHUP the
-# server for the changes to take effect, or use "pgpool reload". Some
-# parameters, which are marked below, require a server shutdown and restart to
-# take effect.
-#
-
-#------------------------------------------------------------------------------
-# BACKEND CLUSTERING MODE
-# Choose one of: 'streaming_replication', 'native_replication',
-# 'logical_replication', 'slony', 'raw' or 'snapshot_isolation'
-# (change requires restart)
-#------------------------------------------------------------------------------
-
-backend_clustering_mode = 'raw'
-
-#------------------------------------------------------------------------------
-# CONNECTIONS
-#------------------------------------------------------------------------------
-
-# - pgpool Connection Settings -
-
-#listen_addresses = 'localhost'
- # Host name or IP address to listen on:
- # '*' for all, '' for no TCP/IP connections
- # (change requires restart)
-#port = 9999
- # Port number
- # (change requires restart)
-#socket_dir = '/tmp'
- # Unix domain socket path
- # The Debian package defaults to
- # /var/run/postgresql
- # (change requires restart)
-#reserved_connections = 0
- # Number of reserved connections.
- # Pgpool-II does not accept connections if over
- # num_init_chidlren - reserved_connections.
-
-
-# - pgpool Communication Manager Connection Settings -
-
-#pcp_listen_addresses = '*'
- # Host name or IP address for pcp process to listen on:
- # '*' for all, '' for no TCP/IP connections
- # (change requires restart)
-#pcp_port = 9898
- # Port number for pcp
- # (change requires restart)
-#pcp_socket_dir = '/tmp'
- # Unix domain socket path for pcp
- # The Debian package defaults to
- # /var/run/postgresql
- # (change requires restart)
-#listen_backlog_multiplier = 2
- # Set the backlog parameter of listen(2) to
- # num_init_children * listen_backlog_multiplier.
- # (change requires restart)
-#serialize_accept = off
- # whether to serialize accept() call to avoid thundering herd problem
- # (change requires restart)
-
-# - Backend Connection Settings -
-
-#backend_hostname0 = 'host1'
- # Host name or IP address to connect to for backend 0
-#backend_port0 = 5432
- # Port number for backend 0
-#backend_weight0 = 1
- # Weight for backend 0 (only in load balancing mode)
-#backend_data_directory0 = '/data'
- # Data directory for backend 0
-#backend_flag0 = 'ALLOW_TO_FAILOVER'
- # Controls various backend behavior
- # ALLOW_TO_FAILOVER, DISALLOW_TO_FAILOVER
- # or ALWAYS_PRIMARY
-#backend_application_name0 = 'server0'
- # walsender's application_name, used for "show pool_nodes" command
-#backend_hostname1 = 'host2'
-#backend_port1 = 5433
-#backend_weight1 = 1
-#backend_data_directory1 = '/data1'
-#backend_flag1 = 'ALLOW_TO_FAILOVER'
-#backend_application_name1 = 'server1'
-
-# - Authentication -
-
-#enable_pool_hba = off
- # Use pool_hba.conf for client authentication
-#pool_passwd = 'pool_passwd'
- # File name of pool_passwd for md5 authentication.
- # "" disables pool_passwd.
- # (change requires restart)
-#authentication_timeout = 60
- # Delay in seconds to complete client authentication
- # 0 means no timeout.
-
-#allow_clear_text_frontend_auth = off
- # Allow Pgpool-II to use clear text password authentication
- # with clients, when pool_passwd does not
- # contain the user password
-
-# - SSL Connections -
-
-#ssl = off
- # Enable SSL support
- # (change requires restart)
-#ssl_key = 'server.key'
- # SSL private key file
- # (change requires restart)
-#ssl_cert = 'server.crt'
- # SSL public certificate file
- # (change requires restart)
-#ssl_ca_cert = ''
- # Single PEM format file containing
- # CA root certificate(s)
- # (change requires restart)
-#ssl_ca_cert_dir = ''
- # Directory containing CA root certificate(s)
- # (change requires restart)
-#ssl_crl_file = ''
- # SSL certificate revocation list file
- # (change requires restart)
-
-#ssl_ciphers = 'HIGH:MEDIUM:+3DES:!aNULL'
- # Allowed SSL ciphers
- # (change requires restart)
-#ssl_prefer_server_ciphers = off
- # Use server's SSL cipher preferences,
- # rather than the client's
- # (change requires restart)
-#ssl_ecdh_curve = 'prime256v1'
- # Name of the curve to use in ECDH key exchange
-#ssl_dh_params_file = ''
- # Name of the file containing Diffie-Hellman parameters used
- # for so-called ephemeral DH family of SSL cipher.
-#ssl_passphrase_command=''
- # Sets an external command to be invoked when a passphrase
- # for decrypting an SSL file needs to be obtained
- # (change requires restart)
-
-#------------------------------------------------------------------------------
-# POOLS
-#------------------------------------------------------------------------------
-
-# - Concurrent session and pool size -
-
-#num_init_children = 32
- # Number of concurrent sessions allowed
- # (change requires restart)
-#max_pool = 4
- # Number of connection pool caches per connection
- # (change requires restart)
-
-# - Life time -
-
-#child_life_time = 5min
- # Pool exits after being idle for this many seconds
-#child_max_connections = 0
- # Pool exits after receiving that many connections
- # 0 means no exit
-#connection_life_time = 0
- # Connection to backend closes after being idle for this many seconds
- # 0 means no close
-#client_idle_limit = 0
- # Client is disconnected after being idle for that many seconds
- # (even inside an explicit transactions!)
- # 0 means no disconnection
-
-
-#------------------------------------------------------------------------------
-# LOGS
-#------------------------------------------------------------------------------
-
-# - Where to log -
-
-#log_destination = 'stderr'
- # Where to log
- # Valid values are combinations of stderr,
- # and syslog. Default to stderr.
-
-# - What to log -
-
-#log_line_prefix = '%t: pid %p: ' # printf-style string to output at beginning of each log line.
-
-#log_connections = off
- # Log connections
-#log_disconnections = off
- # Log disconnections
-#log_hostname = off
- # Hostname will be shown in ps status
- # and in logs if connections are logged
-#log_statement = off
- # Log all statements
-#log_per_node_statement = off
- # Log all statements
- # with node and backend informations
-#log_client_messages = off
- # Log any client messages
-#log_standby_delay = 'if_over_threshold'
- # Log standby delay
- # Valid values are combinations of always,
- # if_over_threshold, none
-
-# - Syslog specific -
-
-#syslog_facility = 'LOCAL0'
- # Syslog local facility. Default to LOCAL0
-#syslog_ident = 'pgpool'
- # Syslog program identification string
- # Default to 'pgpool'
-
-# - Debug -
-
-#log_error_verbosity = default # terse, default, or verbose messages
-
-#client_min_messages = notice # values in order of decreasing detail:
- # debug5
- # debug4
- # debug3
- # debug2
- # debug1
- # log
- # notice
- # warning
- # error
-
-#log_min_messages = warning # values in order of decreasing detail:
- # debug5
- # debug4
- # debug3
- # debug2
- # debug1
- # info
- # notice
- # warning
- # error
- # log
- # fatal
- # panic
-
-# This is used when logging to stderr:
-#logging_collector = off
- # Enable capturing of stderr
- # into log files.
- # (change requires restart)
-
-# -- Only used if logging_collector is on ---
-
-#log_directory = '/tmp/pgpool_logs'
- # directory where log files are written,
- # can be absolute
-#log_filename = 'pgpool-%Y-%m-%d_%H%M%S.log'
- # log file name pattern,
- # can include strftime() escapes
-
-#log_file_mode = 0600
- # creation mode for log files,
- # begin with 0 to use octal notation
-
-#log_truncate_on_rotation = off
- # If on, an existing log file with the
- # same name as the new log file will be
- # truncated rather than appended to.
- # But such truncation only occurs on
- # time-driven rotation, not on restarts
- # or size-driven rotation. Default is
- # off, meaning append to existing files
- # in all cases.
-
-#log_rotation_age = 1d
- # Automatic rotation of logfiles will
- # happen after that (minutes)time.
- # 0 disables time based rotation.
-#log_rotation_size = 10MB
- # Automatic rotation of logfiles will
- # happen after that much (KB) log output.
- # 0 disables size based rotation.
-
-#------------------------------------------------------------------------------
-# FILE LOCATIONS
-#------------------------------------------------------------------------------
-
-#pid_file_name = '/var/run/pgpool/pgpool.pid'
- # PID file name
- # Can be specified as relative to the"
- # location of pgpool.conf file or
- # as an absolute path
- # (change requires restart)
-#logdir = '/tmp'
- # Directory of pgPool status file
- # (change requires restart)
-
-
-#------------------------------------------------------------------------------
-# CONNECTION POOLING
-#------------------------------------------------------------------------------
-
-#connection_cache = on
- # Activate connection pools
- # (change requires restart)
-
- # Semicolon separated list of queries
- # to be issued at the end of a session
- # The default is for 8.3 and later
-#reset_query_list = 'ABORT; DISCARD ALL'
- # The following one is for 8.2 and before
-#reset_query_list = 'ABORT; RESET ALL; SET SESSION AUTHORIZATION DEFAULT'
-
-
-#------------------------------------------------------------------------------
-# REPLICATION MODE
-#------------------------------------------------------------------------------
-
-#replicate_select = off
- # Replicate SELECT statements
- # when in replication mode
- # replicate_select is higher priority than
- # load_balance_mode.
-
-#insert_lock = off
- # Automatically locks a dummy row or a table
- # with INSERT statements to keep SERIAL data
- # consistency
- # Without SERIAL, no lock will be issued
-#lobj_lock_table = ''
- # When rewriting lo_creat command in
- # replication mode, specify table name to
- # lock
-
-# - Degenerate handling -
-
-#replication_stop_on_mismatch = off
- # On disagreement with the packet kind
- # sent from backend, degenerate the node
- # which is most likely "minority"
- # If off, just force to exit this session
-
-#failover_if_affected_tuples_mismatch = off
- # On disagreement with the number of affected
- # tuples in UPDATE/DELETE queries, then
- # degenerate the node which is most likely
- # "minority".
- # If off, just abort the transaction to
- # keep the consistency
-
-
-#------------------------------------------------------------------------------
-# LOAD BALANCING MODE
-#------------------------------------------------------------------------------
-
-#load_balance_mode = on
- # Activate load balancing mode
- # (change requires restart)
-#ignore_leading_white_space = on
- # Ignore leading white spaces of each query
-#read_only_function_list = ''
- # Comma separated list of function names
- # that don't write to database
- # Regexp are accepted
-#write_function_list = ''
- # Comma separated list of function names
- # that write to database
- # Regexp are accepted
- # If both read_only_function_list and write_function_list
- # is empty, function's volatile property is checked.
- # If it's volatile, the function is regarded as a
- # writing function.
-
-#primary_routing_query_pattern_list = ''
- # Semicolon separated list of query patterns
- # that should be sent to primary node
- # Regexp are accepted
- # valid for streaming replicaton mode only.
-
-#database_redirect_preference_list = ''
- # comma separated list of pairs of database and node id.
- # example: postgres:primary,mydb[0-4]:1,mydb[5-9]:2'
- # valid for streaming replicaton mode only.
-
-#app_name_redirect_preference_list = ''
- # comma separated list of pairs of app name and node id.
- # example: 'psql:primary,myapp[0-4]:1,myapp[5-9]:standby'
- # valid for streaming replicaton mode only.
-#allow_sql_comments = off
- # if on, ignore SQL comments when judging if load balance or
- # query cache is possible.
- # If off, SQL comments effectively prevent the judgment
- # (pre 3.4 behavior).
-
-#disable_load_balance_on_write = 'transaction'
- # Load balance behavior when write query is issued
- # in an explicit transaction.
- #
- # Valid values:
- #
- # 'transaction' (default):
- # if a write query is issued, subsequent
- # read queries will not be load balanced
- # until the transaction ends.
- #
- # 'trans_transaction':
- # if a write query is issued, subsequent
- # read queries in an explicit transaction
- # will not be load balanced until the session ends.
- #
- # 'dml_adaptive':
- # Queries on the tables that have already been
- # modified within the current explicit transaction will
- # not be load balanced until the end of the transaction.
- #
- # 'always':
- # if a write query is issued, read queries will
- # not be load balanced until the session ends.
- #
- # Note that any query not in an explicit transaction
- # is not affected by the parameter except 'always'.
-
-#dml_adaptive_object_relationship_list= ''
- # comma separated list of object pairs
- # [object]:[dependent-object], to disable load balancing
- # of dependent objects within the explicit transaction
- # after WRITE statement is issued on (depending-on) object.
- #
- # example: 'tb_t1:tb_t2,insert_tb_f_func():tb_f,tb_v:my_view'
- # Note: function name in this list must also be present in
- # the write_function_list
- # only valid for disable_load_balance_on_write = 'dml_adaptive'.
-
-#statement_level_load_balance = off
- # Enables statement level load balancing
-
-#------------------------------------------------------------------------------
-# STREAMING REPLICATION MODE
-#------------------------------------------------------------------------------
-
-# - Streaming -
-
-#sr_check_period = 10
- # Streaming replication check period
- # Disabled (0) by default
-#sr_check_user = 'nobody'
- # Streaming replication check user
- # This is neccessary even if you disable streaming
- # replication delay check by sr_check_period = 0
-#sr_check_password = ''
- # Password for streaming replication check user
- # Leaving it empty will make Pgpool-II to first look for the
- # Password in pool_passwd file before using the empty password
-
-#sr_check_database = 'postgres'
- # Database name for streaming replication check
-#delay_threshold = 10000000
- # Threshold before not dispatching query to standby node
- # Unit is in bytes
- # Disabled (0) by default
-#prefer_lower_delay_standby = off
- # If delay_threshold is set larger than 0, Pgpool-II send to
- # the primary when selected node is delayed over delay_threshold.
- # If this is set to on, Pgpool-II send query to other standby
- # delayed lower.
-
-# - Special commands -
-
-#follow_primary_command = ''
- # Executes this command after main node failover
- # Special values:
- # %d = failed node id
- # %h = failed node host name
- # %p = failed node port number
- # %D = failed node database cluster path
- # %m = new main node id
- # %H = new main node hostname
- # %M = old main node id
- # %P = old primary node id
- # %r = new main port number
- # %R = new main database cluster path
- # %N = old primary node hostname
- # %S = old primary node port number
- # %% = '%' character
-
-#------------------------------------------------------------------------------
-# HEALTH CHECK GLOBAL PARAMETERS
-#------------------------------------------------------------------------------
-
-#health_check_period = 0
- # Health check period
- # Disabled (0) by default
-#health_check_timeout = 20
- # Health check timeout
- # 0 means no timeout
-#health_check_user = 'nobody'
- # Health check user
-#health_check_password = ''
- # Password for health check user
- # Leaving it empty will make Pgpool-II to first look for the
- # Password in pool_passwd file before using the empty password
-
-#health_check_database = ''
- # Database name for health check. If '', tries 'postgres' frist,
-#health_check_max_retries = 0
- # Maximum number of times to retry a failed health check before giving up.
-#health_check_retry_delay = 1
- # Amount of time to wait (in seconds) between retries.
-#connect_timeout = 10000
- # Timeout value in milliseconds before giving up to connect to backend.
- # Default is 10000 ms (10 second). Flaky network user may want to increase
- # the value. 0 means no timeout.
- # Note that this value is not only used for health check,
- # but also for ordinary conection to backend.
-
-#------------------------------------------------------------------------------
-# HEALTH CHECK PER NODE PARAMETERS (OPTIONAL)
-#------------------------------------------------------------------------------
-#health_check_period0 = 0
-#health_check_timeout0 = 20
-#health_check_user0 = 'nobody'
-#health_check_password0 = ''
-#health_check_database0 = ''
-#health_check_max_retries0 = 0
-#health_check_retry_delay0 = 1
-#connect_timeout0 = 10000
-
-#------------------------------------------------------------------------------
-# FAILOVER AND FAILBACK
-#------------------------------------------------------------------------------
-
-#failover_command = ''
- # Executes this command at failover
- # Special values:
- # %d = failed node id
- # %h = failed node host name
- # %p = failed node port number
- # %D = failed node database cluster path
- # %m = new main node id
- # %H = new main node hostname
- # %M = old main node id
- # %P = old primary node id
- # %r = new main port number
- # %R = new main database cluster path
- # %N = old primary node hostname
- # %S = old primary node port number
- # %% = '%' character
-#failback_command = ''
- # Executes this command at failback.
- # Special values:
- # %d = failed node id
- # %h = failed node host name
- # %p = failed node port number
- # %D = failed node database cluster path
- # %m = new main node id
- # %H = new main node hostname
- # %M = old main node id
- # %P = old primary node id
- # %r = new main port number
- # %R = new main database cluster path
- # %N = old primary node hostname
- # %S = old primary node port number
- # %% = '%' character
-
-#failover_on_backend_error = on
- # Initiates failover when reading/writing to the
- # backend communication socket fails
- # If set to off, pgpool will report an
- # error and disconnect the session.
-
-#failover_on_backend_shutdown = off
- # Initiates failover when backend is shutdown,
- # or backend process is killed.
- # If set to off, pgpool will report an
- # error and disconnect the session.
-
-#detach_false_primary = off
- # Detach false primary if on. Only
- # valid in streaming replicaton
- # mode and with PostgreSQL 9.6 or
- # after.
-
-#search_primary_node_timeout = 300
- # Timeout in seconds to search for the
- # primary node when a failover occurs.
- # 0 means no timeout, keep searching
- # for a primary node forever.
-
-#------------------------------------------------------------------------------
-# ONLINE RECOVERY
-#------------------------------------------------------------------------------
-
-#recovery_user = 'nobody'
- # Online recovery user
-#recovery_password = ''
- # Online recovery password
- # Leaving it empty will make Pgpool-II to first look for the
- # Password in pool_passwd file before using the empty password
-
-#recovery_1st_stage_command = ''
- # Executes a command in first stage
-#recovery_2nd_stage_command = ''
- # Executes a command in second stage
-#recovery_timeout = 90
- # Timeout in seconds to wait for the
- # recovering node's postmaster to start up
- # 0 means no wait
-#client_idle_limit_in_recovery = 0
- # Client is disconnected after being idle
- # for that many seconds in the second stage
- # of online recovery
- # 0 means no disconnection
- # -1 means immediate disconnection
-
-#auto_failback = off
- # Dettached backend node reattach automatically
- # if replication_state is 'streaming'.
-#auto_failback_interval = 1min
- # Min interval of executing auto_failback in
- # seconds.
-
-#------------------------------------------------------------------------------
-# WATCHDOG
-#------------------------------------------------------------------------------
-
-# - Enabling -
-
-#use_watchdog = off
- # Activates watchdog
- # (change requires restart)
-
-# -Connection to up stream servers -
-
-#trusted_servers = ''
- # trusted server list which are used
- # to confirm network connection
- # (hostA,hostB,hostC,...)
- # (change requires restart)
-#ping_path = '/bin'
- # ping command path
- # (change requires restart)
-
-# - Watchdog communication Settings -
-
-#hostname0 = ''
- # Host name or IP address of pgpool node
- # for watchdog connection
- # (change requires restart)
-#wd_port0 = 9000
- # Port number for watchdog service
- # (change requires restart)
-#pgpool_port0 = 9999
- # Port number for pgpool
- # (change requires restart)
-
-#hostname1 = ''
-#wd_port1 = 9000
-#pgpool_port1 = 9999
-
-#hostname2 = ''
-#wd_port2 = 9000
-#pgpool_port2 = 9999
-
-#wd_priority = 1
- # priority of this watchdog in leader election
- # (change requires restart)
-
-#wd_authkey = ''
- # Authentication key for watchdog communication
- # (change requires restart)
-
-#wd_ipc_socket_dir = '/tmp'
- # Unix domain socket path for watchdog IPC socket
- # The Debian package defaults to
- # /var/run/postgresql
- # (change requires restart)
-
-# - Virtual IP control Setting -
-
-#delegate_IP = ''
- # delegate IP address
- # If this is empty, virtual IP never bring up.
- # (change requires restart)
-#if_cmd_path = '/sbin'
- # path to the directory where if_up/down_cmd exists
- # If if_up/down_cmd starts with "/", if_cmd_path will be ignored.
- # (change requires restart)
-#if_up_cmd = '/usr/bin/sudo /sbin/ip addr add $_IP_$/24 dev eth0 label eth0:0'
- # startup delegate IP command
- # (change requires restart)
-#if_down_cmd = '/usr/bin/sudo /sbin/ip addr del $_IP_$/24 dev eth0'
- # shutdown delegate IP command
- # (change requires restart)
-#arping_path = '/usr/sbin'
- # arping command path
- # If arping_cmd starts with "/", if_cmd_path will be ignored.
- # (change requires restart)
-#arping_cmd = '/usr/bin/sudo /usr/sbin/arping -U $_IP_$ -w 1 -I eth0'
- # arping command
- # (change requires restart)
-
-# - Behaivor on escalation Setting -
-
-#clear_memqcache_on_escalation = on
- # Clear all the query cache on shared memory
- # when standby pgpool escalate to active pgpool
- # (= virtual IP holder).
- # This should be off if client connects to pgpool
- # not using virtual IP.
- # (change requires restart)
-#wd_escalation_command = ''
- # Executes this command at escalation on new active pgpool.
- # (change requires restart)
-#wd_de_escalation_command = ''
- # Executes this command when leader pgpool resigns from being leader.
- # (change requires restart)
-
-# - Watchdog consensus settings for failover -
-
-#failover_when_quorum_exists = on
- # Only perform backend node failover
- # when the watchdog cluster holds the quorum
- # (change requires restart)
-
-#failover_require_consensus = on
- # Perform failover when majority of Pgpool-II nodes
- # aggrees on the backend node status change
- # (change requires restart)
-
-#allow_multiple_failover_requests_from_node = off
- # A Pgpool-II node can cast multiple votes
- # for building the consensus on failover
- # (change requires restart)
-
-
-#enable_consensus_with_half_votes = off
- # apply majority rule for consensus and quorum computation
- # at 50% of votes in a cluster with even number of nodes.
- # when enabled the existence of quorum and consensus
- # on failover is resolved after receiving half of the
- # total votes in the cluster, otherwise both these
- # decisions require at least one more vote than
- # half of the total votes.
- # (change requires restart)
-
-# - Lifecheck Setting -
-
-# -- common --
-
-#wd_monitoring_interfaces_list = ''
- # Comma separated list of interfaces names to monitor.
- # if any interface from the list is active the watchdog will
- # consider the network is fine
- # 'any' to enable monitoring on all interfaces except loopback
- # '' to disable monitoring
- # (change requires restart)
-
-#wd_lifecheck_method = 'heartbeat'
- # Method of watchdog lifecheck ('heartbeat' or 'query' or 'external')
- # (change requires restart)
-#wd_interval = 10
- # lifecheck interval (sec) > 0
- # (change requires restart)
-
-# -- heartbeat mode --
-
-#heartbeat_hostname0 = ''
- # Host name or IP address used
- # for sending heartbeat signal.
- # (change requires restart)
-#heartbeat_port0 = 9694
- # Port number used for receiving/sending heartbeat signal
- # Usually this is the same as heartbeat_portX.
- # (change requires restart)
-#heartbeat_device0 = ''
- # Name of NIC device (such like 'eth0')
- # used for sending/receiving heartbeat
- # signal to/from destination 0.
- # This works only when this is not empty
- # and pgpool has root privilege.
- # (change requires restart)
-
-#heartbeat_hostname1 = ''
-#heartbeat_port1 = 9694
-#heartbeat_device1 = ''
-#heartbeat_hostname2 = ''
-#heartbeat_port2 = 9694
-#heartbeat_device2 = ''
-
-#wd_heartbeat_keepalive = 2
- # Interval time of sending heartbeat signal (sec)
- # (change requires restart)
-#wd_heartbeat_deadtime = 30
- # Deadtime interval for heartbeat signal (sec)
- # (change requires restart)
-
-# -- query mode --
-
-#wd_life_point = 3
- # lifecheck retry times
- # (change requires restart)
-#wd_lifecheck_query = 'SELECT 1'
- # lifecheck query to pgpool from watchdog
- # (change requires restart)
-#wd_lifecheck_dbname = 'template1'
- # Database name connected for lifecheck
- # (change requires restart)
-#wd_lifecheck_user = 'nobody'
- # watchdog user monitoring pgpools in lifecheck
- # (change requires restart)
-#wd_lifecheck_password = ''
- # Password for watchdog user in lifecheck
- # Leaving it empty will make Pgpool-II to first look for the
- # Password in pool_passwd file before using the empty password
- # (change requires restart)
-
-# - Other pgpool Connection Settings -
-
-#other_pgpool_hostname0 = 'host0'
- # Host name or IP address to connect to for other pgpool 0
- # (change requires restart)
-#other_pgpool_port0 = 5432
- # Port number for other pgpool 0
- # (change requires restart)
-#other_wd_port0 = 9000
- # Port number for other watchdog 0
- # (change requires restart)
-#other_pgpool_hostname1 = 'host1'
-#other_pgpool_port1 = 5432
-#other_wd_port1 = 9000
-
-
-#------------------------------------------------------------------------------
-# OTHERS
-#------------------------------------------------------------------------------
-#relcache_expire = 0
- # Life time of relation cache in seconds.
- # 0 means no cache expiration(the default).
- # The relation cache is used for cache the
- # query result against PostgreSQL system
- # catalog to obtain various information
- # including table structures or if it's a
- # temporary table or not. The cache is
- # maintained in a pgpool child local memory
- # and being kept as long as it survives.
- # If someone modify the table by using
- # ALTER TABLE or some such, the relcache is
- # not consistent anymore.
- # For this purpose, cache_expiration
- # controls the life time of the cache.
-#relcache_size = 256
- # Number of relation cache
- # entry. If you see frequently:
- # "pool_search_relcache: cache replacement happend"
- # in the pgpool log, you might want to increate this number.
-
-#check_temp_table = catalog
- # Temporary table check method. catalog, trace or none.
- # Default is catalog.
-
-#check_unlogged_table = on
- # If on, enable unlogged table check in SELECT statements.
- # This initiates queries against system catalog of primary/main
- # thus increases load of primary.
- # If you are absolutely sure that your system never uses unlogged tables
- # and you want to save access to primary/main, you could turn this off.
- # Default is on.
-#enable_shared_relcache = on
- # If on, relation cache stored in memory cache,
- # the cache is shared among child process.
- # Default is on.
- # (change requires restart)
-
-relcache_query_target = primary
- # Target node to send relcache queries. Default is primary node.
- # If load_balance_node is specified, queries will be sent to load balance node.
-#------------------------------------------------------------------------------
-# IN MEMORY QUERY MEMORY CACHE
-#------------------------------------------------------------------------------
-#memory_cache_enabled = off
- # If on, use the memory cache functionality, off by default
- # (change requires restart)
-#memqcache_method = 'shmem'
- # Cache storage method. either 'shmem'(shared memory) or
- # 'memcached'. 'shmem' by default
- # (change requires restart)
-#memqcache_memcached_host = 'localhost'
- # Memcached host name or IP address. Mandatory if
- # memqcache_method = 'memcached'.
- # Defaults to localhost.
- # (change requires restart)
-#memqcache_memcached_port = 11211
- # Memcached port number. Mondatory if memqcache_method = 'memcached'.
- # Defaults to 11211.
- # (change requires restart)
-#memqcache_total_size = 64MB
- # Total memory size in bytes for storing memory cache.
- # Mandatory if memqcache_method = 'shmem'.
- # Defaults to 64MB.
- # (change requires restart)
-#memqcache_max_num_cache = 1000000
- # Total number of cache entries. Mandatory
- # if memqcache_method = 'shmem'.
- # Each cache entry consumes 48 bytes on shared memory.
- # Defaults to 1,000,000(45.8MB).
- # (change requires restart)
-#memqcache_expire = 0
- # Memory cache entry life time specified in seconds.
- # 0 means infinite life time. 0 by default.
- # (change requires restart)
-#memqcache_auto_cache_invalidation = on
- # If on, invalidation of query cache is triggered by corresponding
- # DDL/DML/DCL(and memqcache_expire). If off, it is only triggered
- # by memqcache_expire. on by default.
- # (change requires restart)
-#memqcache_maxcache = 400kB
- # Maximum SELECT result size in bytes.
- # Must be smaller than memqcache_cache_block_size. Defaults to 400KB.
- # (change requires restart)
-#memqcache_cache_block_size = 1MB
- # Cache block size in bytes. Mandatory if memqcache_method = 'shmem'.
- # Defaults to 1MB.
- # (change requires restart)
-#memqcache_oiddir = '/var/log/pgpool/oiddir'
- # Temporary work directory to record table oids
- # (change requires restart)
-#cache_safe_memqcache_table_list = ''
- # Comma separated list of table names to memcache
- # that don't write to database
- # Regexp are accepted
-#cache_unsafe_memqcache_table_list = ''
- # Comma separated list of table names not to memcache
- # that don't write to database
- # Regexp are accepted
+++ /dev/null
-# ----------------------------
-# pgPool-II configuration file
-# ----------------------------
-#
-# This file consists of lines of the form:
-#
-# name = value
-#
-# Whitespace may be used. Comments are introduced with "#" anywhere on a line.
-# The complete list of parameter names and allowed values can be found in the
-# pgPool-II documentation.
-#
-# This file is read on server startup and when the server receives a SIGHUP
-# signal. If you edit the file on a running system, you have to SIGHUP the
-# server for the changes to take effect, or use "pgpool reload". Some
-# parameters, which are marked below, require a server shutdown and restart to
-# take effect.
-#
-
-#------------------------------------------------------------------------------
-# BACKEND CLUSTERING MODE
-# Choose one of: 'streaming_replication', 'native_replication',
-# 'logical_replication', 'slony', 'raw' or 'snapshot_isolation'
-# (change requires restart)
-#------------------------------------------------------------------------------
-
-backend_clustering_mode = 'native_replication'
-
-#------------------------------------------------------------------------------
-# CONNECTIONS
-#------------------------------------------------------------------------------
-
-# - pgpool Connection Settings -
-
-#listen_addresses = 'localhost'
- # Host name or IP address to listen on:
- # '*' for all, '' for no TCP/IP connections
- # (change requires restart)
-#port = 9999
- # Port number
- # (change requires restart)
-#socket_dir = '/tmp'
- # Unix domain socket path
- # The Debian package defaults to
- # /var/run/postgresql
- # (change requires restart)
-#listen_backlog_multiplier = 2
- # Set the backlog parameter of listen(2) to
- # num_init_children * listen_backlog_multiplier.
- # (change requires restart)
-#serialize_accept = off
- # whether to serialize accept() call to avoid thundering herd problem
- # (change requires restart)
-#reserved_connections = 0
- # Number of reserved connections.
- # Pgpool-II does not accept connections if over
- # num_init_chidlren - reserved_connections.
-
-# - pgpool Communication Manager Connection Settings -
-
-#pcp_listen_addresses = '*'
- # Host name or IP address for pcp process to listen on:
- # '*' for all, '' for no TCP/IP connections
- # (change requires restart)
-#pcp_port = 9898
- # Port number for pcp
- # (change requires restart)
-#pcp_socket_dir = '/tmp'
- # Unix domain socket path for pcp
- # The Debian package defaults to
- # /var/run/postgresql
- # (change requires restart)
-
-# - Backend Connection Settings -
-
-#backend_hostname0 = 'host1'
- # Host name or IP address to connect to for backend 0
-#backend_port0 = 5432
- # Port number for backend 0
-#backend_weight0 = 1
- # Weight for backend 0 (only in load balancing mode)
-#backend_data_directory0 = '/data'
- # Data directory for backend 0
-#backend_flag0 = 'ALLOW_TO_FAILOVER'
- # Controls various backend behavior
- # ALLOW_TO_FAILOVER or DISALLOW_TO_FAILOVER
-#backend_hostname1 = 'host2'
-#backend_port1 = 5433
-#backend_weight1 = 1
-#backend_data_directory1 = '/data1'
-#backend_flag1 = 'ALLOW_TO_FAILOVER'
-
-# - Authentication -
-
-#enable_pool_hba = off
- # Use pool_hba.conf for client authentication
-#pool_passwd = 'pool_passwd'
- # File name of pool_passwd for md5 authentication.
- # "" disables pool_passwd.
- # (change requires restart)
-#authentication_timeout = 1min
- # Delay in seconds to complete client authentication
- # 0 means no timeout.
-
-#allow_clear_text_frontend_auth = off
- # Allow Pgpool-II to use clear text password authentication
- # with clients, when pool_passwd does not
- # contain the user password
-
-# - SSL Connections -
-
-#ssl = off
- # Enable SSL support
- # (change requires restart)
-#ssl_key = 'server.key'
- # SSL private key file
- # (change requires restart)
-#ssl_cert = 'server.crt'
- # SSL public certificate file
- # (change requires restart)
-#ssl_ca_cert = ''
- # Single PEM format file containing
- # CA root certificate(s)
- # (change requires restart)
-#ssl_ca_cert_dir = ''
- # Directory containing CA root certificate(s)
- # (change requires restart)
-#ssl_crl_file = ''
- # SSL certificate revocation list file
- # (change requires restart)
-
-#ssl_ciphers = 'HIGH:MEDIUM:+3DES:!aNULL'
- # Allowed SSL ciphers
- # (change requires restart)
-#ssl_prefer_server_ciphers = off
- # Use server's SSL cipher preferences,
- # rather than the client's
- # (change requires restart)
-#ssl_ecdh_curve = 'prime256v1'
- # Name of the curve to use in ECDH key exchange
-#ssl_dh_params_file = ''
- # Name of the file containing Diffie-Hellman parameters used
- # for so-called ephemeral DH family of SSL cipher.
-#ssl_passphrase_command=''
- # Sets an external command to be invoked when a passphrase
- # for decrypting an SSL file needs to be obtained
- # (change requires restart)
-
-#------------------------------------------------------------------------------
-# POOLS
-#------------------------------------------------------------------------------
-
-# - Concurrent session and pool size -
-
-#num_init_children = 32
- # Number of concurrent sessions allowed
- # (change requires restart)
-#max_pool = 4
- # Number of connection pool caches per connection
- # (change requires restart)
-
-# - Life time -
-
-#child_life_time = 5min
- # Pool exits after being idle for this many seconds
-#child_max_connections = 0
- # Pool exits after receiving that many connections
- # 0 means no exit
-#connection_life_time = 0
- # Connection to backend closes after being idle for this many seconds
- # 0 means no close
-#client_idle_limit = 0
- # Client is disconnected after being idle for that many seconds
- # (even inside an explicit transactions!)
- # 0 means no disconnection
-
-
-#------------------------------------------------------------------------------
-# LOGS
-#------------------------------------------------------------------------------
-
-# - Where to log -
-
-#log_destination = 'stderr'
- # Where to log
- # Valid values are combinations of stderr,
- # and syslog. Default to stderr.
-
-# - What to log -
-
-#log_line_prefix = '%t: pid %p: ' # printf-style string to output at beginning of each log line.
-
-#log_connections = off
- # Log connections
-#log_disconnections = off
- # Log disconnections
-#log_hostname = off
- # Hostname will be shown in ps status
- # and in logs if connections are logged
-#log_statement = off
- # Log all statements
-#log_per_node_statement = off
- # Log all statements
- # with node and backend informations
-#log_client_messages = off
- # Log any client messages
-#log_standby_delay = 'none'
- # Log standby delay
- # Valid values are combinations of always,
- # if_over_threshold, none
-
-# - Syslog specific -
-
-#syslog_facility = 'LOCAL0'
- # Syslog local facility. Default to LOCAL0
-#syslog_ident = 'pgpool'
- # Syslog program identification string
- # Default to 'pgpool'
-
-# - Debug -
-
-#log_error_verbosity = default # terse, default, or verbose messages
-
-#client_min_messages = notice # values in order of decreasing detail:
- # debug5
- # debug4
- # debug3
- # debug2
- # debug1
- # log
- # notice
- # warning
- # error
-
-#log_min_messages = warning # values in order of decreasing detail:
- # debug5
- # debug4
- # debug3
- # debug2
- # debug1
- # info
- # notice
- # warning
- # error
- # log
- # fatal
- # panic
-
-# This is used when logging to stderr:
-#logging_collector = off
- # Enable capturing of stderr
- # into log files.
- # (change requires restart)
-
-# -- Only used if logging_collector is on ---
-
-#log_directory = '/tmp/pgpool_logs'
- # directory where log files are written,
- # can be absolute
-#log_filename = 'pgpool-%Y-%m-%d_%H%M%S.log'
- # log file name pattern,
- # can include strftime() escapes
-
-#log_file_mode = 0600
- # creation mode for log files,
- # begin with 0 to use octal notation
-
-#log_truncate_on_rotation = off
- # If on, an existing log file with the
- # same name as the new log file will be
- # truncated rather than appended to.
- # But such truncation only occurs on
- # time-driven rotation, not on restarts
- # or size-driven rotation. Default is
- # off, meaning append to existing files
- # in all cases.
-
-#log_rotation_age = 1d
- # Automatic rotation of logfiles will
- # happen after that (minutes)time.
- # 0 disables time based rotation.
-#log_rotation_size = 10MB
- # Automatic rotation of logfiles will
- # happen after that much (KB) log output.
- # 0 disables size based rotation.
-
-#------------------------------------------------------------------------------
-# FILE LOCATIONS
-#------------------------------------------------------------------------------
-
-#pid_file_name = '/var/run/pgpool/pgpool.pid'
- # PID file name
- # Can be specified as relative to the"
- # location of pgpool.conf file or
- # as an absolute path
- # (change requires restart)
-#logdir = '/tmp'
- # Directory of pgPool status file
- # (change requires restart)
-
-
-#------------------------------------------------------------------------------
-# CONNECTION POOLING
-#------------------------------------------------------------------------------
-
-#connection_cache = on
- # Activate connection pools
- # (change requires restart)
-
- # Semicolon separated list of queries
- # to be issued at the end of a session
- # The default is for 8.3 and later
-#reset_query_list = 'ABORT; DISCARD ALL'
- # The following one is for 8.2 and before
-#reset_query_list = 'ABORT; RESET ALL; SET SESSION AUTHORIZATION DEFAULT'
-
-
-#------------------------------------------------------------------------------
-# REPLICATION MODE
-#------------------------------------------------------------------------------
-
-#replicate_select = off
- # Replicate SELECT statements
- # when in replication mode
- # replicate_select is higher priority than
- # load_balance_mode.
-
-#insert_lock = on
- # Automatically locks a dummy row or a table
- # with INSERT statements to keep SERIAL data
- # consistency
- # Without SERIAL, no lock will be issued
-#lobj_lock_table = ''
- # When rewriting lo_creat command in
- # replication mode, specify table name to
- # lock
-
-# - Degenerate handling -
-
-#replication_stop_on_mismatch = off
- # On disagreement with the packet kind
- # sent from backend, degenerate the node
- # which is most likely "minority"
- # If off, just force to exit this session
-
-#failover_if_affected_tuples_mismatch = off
- # On disagreement with the number of affected
- # tuples in UPDATE/DELETE queries, then
- # degenerate the node which is most likely
- # "minority".
- # If off, just abort the transaction to
- # keep the consistency
-
-
-#------------------------------------------------------------------------------
-# LOAD BALANCING MODE
-#------------------------------------------------------------------------------
-
-#load_balance_mode = on
- # Activate load balancing mode
- # (change requires restart)
-#ignore_leading_white_space = on
- # Ignore leading white spaces of each query
-#read_only_function_list = ''
- # Comma separated list of function names
- # that don't write to database
- # Regexp are accepted
-#write_function_list = ''
- # Comma separated list of function names
- # that write to database
- # Regexp are accepted
- # If both read_only_function_list and write_function_list
- # is empty, function's volatile property is checked.
- # If it's volatile, the function is regarded as a
- # writing function.
-
-#primary_routing_query_pattern_list = ''
- # Semicolon separated list of query patterns
- # that should be sent to primary node
- # Regexp are accepted
- # valid for streaming replicaton mode only.
-
-#database_redirect_preference_list = ''
- # comma separated list of pairs of database and node id.
- # example: postgres:primary,mydb[0-4]:1,mydb[5-9]:2'
- # valid for streaming replicaton mode only.
-
-#app_name_redirect_preference_list = ''
- # comma separated list of pairs of app name and node id.
- # example: 'psql:primary,myapp[0-4]:1,myapp[5-9]:standby'
- # valid for streaming replicaton mode only.
-#allow_sql_comments = off
- # if on, ignore SQL comments when judging if load balance or
- # query cache is possible.
- # If off, SQL comments effectively prevent the judgment
- # (pre 3.4 behavior).
-
-#disable_load_balance_on_write = 'transaction'
- # Load balance behavior when write query is issued
- # in an explicit transaction.
- #
- # Valid values:
- #
- # 'transaction' (default):
- # if a write query is issued, subsequent
- # read queries will not be load balanced
- # until the transaction ends.
- #
- # 'trans_transaction':
- # if a write query is issued, subsequent
- # read queries in an explicit transaction
- # will not be load balanced until the session ends.
- #
- # 'dml_adaptive':
- # Queries on the tables that have already been
- # modified within the current explicit transaction will
- # not be load balanced until the end of the transaction.
- #
- # 'always':
- # if a write query is issued, read queries will
- # not be load balanced until the session ends.
- #
- # Note that any query not in an explicit transaction
- # is not affected by the parameter except 'always'.
-
-#dml_adaptive_object_relationship_list= ''
- # comma separated list of object pairs
- # [object]:[dependent-object], to disable load balancing
- # of dependent objects within the explicit transaction
- # after WRITE statement is issued on (depending-on) object.
- #
- # example: 'tb_t1:tb_t2,insert_tb_f_func():tb_f,tb_v:my_view'
- # Note: function name in this list must also be present in
- # the write_function_list
- # only valid for disable_load_balance_on_write = 'dml_adaptive'.
-
-#statement_level_load_balance = off
- # Enables statement level load balancing
-
-#------------------------------------------------------------------------------
-# STREAMING REPLICATION MODE
-#------------------------------------------------------------------------------
-
-# - Streaming -
-
-#sr_check_period = 0
- # Streaming replication check period
- # Disabled (0) by default
-#sr_check_user = 'nobody'
- # Streaming replication check user
- # This is neccessary even if you disable streaming
- # replication delay check by sr_check_period = 0
-
-#sr_check_password = ''
- # Password for streaming replication check user
- # Leaving it empty will make Pgpool-II to first look for the
- # Password in pool_passwd file before using the empty password
-
-#sr_check_database = 'postgres'
- # Database name for streaming replication check
-#delay_threshold = 0
- # Threshold before not dispatching query to standby node
- # Unit is in bytes
- # Disabled (0) by default
-#prefer_lower_delay_standby = off
- # If delay_threshold is set larger than 0, Pgpool-II send to
- # the primary when selected node is delayed over delay_threshold.
- # If this is set to on, Pgpool-II send query to other standby
- # delayed lower.
-
-# - Special commands -
-
-#follow_primary_command = ''
- # Executes this command after main node failover
- # Special values:
- # %d = failed node id
- # %h = failed node host name
- # %p = failed node port number
- # %D = failed node database cluster path
- # %m = new main node id
- # %H = new main node hostname
- # %M = old main node id
- # %P = old primary node id
- # %r = new main port number
- # %R = new main database cluster path
- # %N = old primary node hostname
- # %S = old primary node port number
- # %% = '%' character
-
-#------------------------------------------------------------------------------
-# HEALTH CHECK GLOBAL PARAMETERS
-#------------------------------------------------------------------------------
-
-#health_check_period = 0
- # Health check period
- # Disabled (0) by default
-#health_check_timeout = 20
- # Health check timeout
- # 0 means no timeout
-#health_check_user = 'nobody'
- # Health check user
-#health_check_password = ''
- # Password for health check user
- # Leaving it empty will make Pgpool-II to first look for the
- # Password in pool_passwd file before using the empty password
-
-#health_check_database = ''
- # Database name for health check. If '', tries 'postgres' frist,
-#health_check_max_retries = 0
- # Maximum number of times to retry a failed health check before giving up.
-#health_check_retry_delay = 1
- # Amount of time to wait (in seconds) between retries.
-#connect_timeout = 10000
- # Timeout value in milliseconds before giving up to connect to backend.
- # Default is 10000 ms (10 second). Flaky network user may want to increase
- # the value. 0 means no timeout.
- # Note that this value is not only used for health check,
- # but also for ordinary conection to backend.
-
-#------------------------------------------------------------------------------
-# HEALTH CHECK PER NODE PARAMETERS (OPTIONAL)
-#------------------------------------------------------------------------------
-#health_check_period0 = 0
-#health_check_timeout0 = 20
-#health_check_user0 = 'nobody'
-#health_check_password0 = ''
-#health_check_database0 = ''
-#health_check_max_retries0 = 0
-#health_check_retry_delay0 = 1
-#connect_timeout0 = 10000
-
-#------------------------------------------------------------------------------
-# FAILOVER AND FAILBACK
-#------------------------------------------------------------------------------
-
-#failover_command = ''
- # Executes this command at failover
- # Special values:
- # %d = failed node id
- # %h = failed node host name
- # %p = failed node port number
- # %D = failed node database cluster path
- # %m = new main node id
- # %H = new main node hostname
- # %M = old main node id
- # %P = old primary node id
- # %r = new main port number
- # %R = new main database cluster path
- # %N = old primary node hostname
- # %S = old primary node port number
- # %% = '%' character
-#failback_command = ''
- # Executes this command at failback.
- # Special values:
- # %d = failed node id
- # %h = failed node host name
- # %p = failed node port number
- # %D = failed node database cluster path
- # %m = new main node id
- # %H = new main node hostname
- # %M = old main node id
- # %P = old primary node id
- # %r = new main port number
- # %R = new main database cluster path
- # %N = old primary node hostname
- # %S = old primary node port number
- # %% = '%' character
-
-#failover_on_backend_error = on
- # Initiates failover when reading/writing to the
- # backend communication socket fails
- # If set to off, pgpool will report an
- # error and disconnect the session.
-
-#failover_on_backend_shutdown = off
- # Initiates failover when backend is shutdown,
- # or backend process is killed.
- # If set to off, pgpool will report an
- # error and disconnect the session.
-
-#detach_false_primary = off
- # Detach false primary if on. Only
- # valid in streaming replicaton
- # mode and with PostgreSQL 9.6 or
- # after.
-
-#search_primary_node_timeout = 5min
- # Timeout in seconds to search for the
- # primary node when a failover occurs.
- # 0 means no timeout, keep searching
- # for a primary node forever.
-
-#auto_failback = off
- # Dettached backend node reattach automatically
- # if replication_state is 'streaming'.
-#auto_failback_interval = 1min
- # Min interval of executing auto_failback in
- # seconds.
-
-#------------------------------------------------------------------------------
-# ONLINE RECOVERY
-#------------------------------------------------------------------------------
-
-#recovery_user = 'nobody'
- # Online recovery user
-#recovery_password = ''
- # Online recovery password
- # Leaving it empty will make Pgpool-II to first look for the
- # Password in pool_passwd file before using the empty password
-
-#recovery_1st_stage_command = ''
- # Executes a command in first stage
-#recovery_2nd_stage_command = ''
- # Executes a command in second stage
-#recovery_timeout = 90
- # Timeout in seconds to wait for the
- # recovering node's postmaster to start up
- # 0 means no wait
-#client_idle_limit_in_recovery = 0
- # Client is disconnected after being idle
- # for that many seconds in the second stage
- # of online recovery
- # 0 means no disconnection
- # -1 means immediate disconnection
-
-
-#------------------------------------------------------------------------------
-# WATCHDOG
-#------------------------------------------------------------------------------
-
-# - Enabling -
-
-#use_watchdog = off
- # Activates watchdog
- # (change requires restart)
-
-# -Connection to up stream servers -
-
-#trusted_servers = ''
- # trusted server list which are used
- # to confirm network connection
- # (hostA,hostB,hostC,...)
- # (change requires restart)
-#ping_path = '/bin'
- # ping command path
- # (change requires restart)
-
-# - Watchdog communication Settings -
-
-#hostname0 = ''
- # Host name or IP address of pgpool node
- # for watchdog connection
- # (change requires restart)
-#wd_port0 = 9000
- # Port number for watchdog service
- # (change requires restart)
-#pgpool_port0 = 9999
- # Port number for pgpool
- # (change requires restart)
-
-#hostname1 = ''
-#wd_port1 = 9000
-#pgpool_port1 = 9999
-
-#hostname2 = ''
-#wd_port2 = 9000
-#pgpool_port2 = 9999
-
-#wd_priority = 1
- # priority of this watchdog in leader election
- # (change requires restart)
-
-#wd_authkey = ''
- # Authentication key for watchdog communication
- # (change requires restart)
-
-#wd_ipc_socket_dir = '/tmp'
- # Unix domain socket path for watchdog IPC socket
- # The Debian package defaults to
- # /var/run/postgresql
- # (change requires restart)
-
-
-# - Virtual IP control Setting -
-
-#delegate_IP = ''
- # delegate IP address
- # If this is empty, virtual IP never bring up.
- # (change requires restart)
-#if_cmd_path = '/sbin'
- # path to the directory where if_up/down_cmd exists
- # If if_up/down_cmd starts with "/", if_cmd_path will be ignored.
- # (change requires restart)
-#if_up_cmd = '/usr/bin/sudo /sbin/ip addr add $_IP_$/24 dev eth0 label eth0:0'
- # startup delegate IP command
- # (change requires restart)
-#if_down_cmd = '/usr/bin/sudo /sbin/ip addr del $_IP_$/24 dev eth0'
- # shutdown delegate IP command
- # (change requires restart)
-#arping_path = '/usr/sbin'
- # arping command path
- # If arping_cmd starts with "/", if_cmd_path will be ignored.
- # (change requires restart)
-#arping_cmd = '/usr/bin/sudo /usr/sbin/arping -U $_IP_$ -w 1 -I eth0'
- # arping command
- # (change requires restart)
-
-# - Behaivor on escalation Setting -
-
-#clear_memqcache_on_escalation = on
- # Clear all the query cache on shared memory
- # when standby pgpool escalate to active pgpool
- # (= virtual IP holder).
- # This should be off if client connects to pgpool
- # not using virtual IP.
- # (change requires restart)
-#wd_escalation_command = ''
- # Executes this command at escalation on new active pgpool.
- # (change requires restart)
-#wd_de_escalation_command = ''
- # Executes this command when leader pgpool resigns from being leader.
- # (change requires restart)
-
-# - Watchdog consensus settings for failover -
-
-#failover_when_quorum_exists = off
- # Only perform backend node failover
- # when the watchdog cluster holds the quorum.
- # not allowed in replication mode
- # (change requires restart)
-
-#failover_require_consensus = off
- # Perform failover when majority of Pgpool-II nodes
- # aggrees on the backend node status change.
- # not allowed in replication mode
- # (change requires restart)
-
-#allow_multiple_failover_requests_from_node = off
- # A Pgpool-II node can cast multiple votes
- # for building the consensus on failover
- # (change requires restart)
-
-
-#enable_consensus_with_half_votes = off
- # apply majority rule for consensus and quorum computation
- # at 50% of votes in a cluster with even number of nodes.
- # when enabled the existence of quorum and consensus
- # on failover is resolved after receiving half of the
- # total votes in the cluster, otherwise both these
- # decisions require at least one more vote than
- # half of the total votes.
- # (change requires restart)
-
-# - Lifecheck Setting -
-
-# -- common --
-
-#wd_monitoring_interfaces_list = ''
- # Comma separated list of interfaces names to monitor.
- # if any interface from the list is active the watchdog will
- # consider the network is fine
- # 'any' to enable monitoring on all interfaces except loopback
- # '' to disable monitoring
- # (change requires restart)
-
-#wd_lifecheck_method = 'heartbeat'
- # Method of watchdog lifecheck ('heartbeat' or 'query' or 'external')
- # (change requires restart)
-#wd_interval = 10
- # lifecheck interval (sec) > 0
- # (change requires restart)
-
-# -- heartbeat mode --
-
-#heartbeat_hostname0 = ''
- # Host name or IP address used
- # for sending heartbeat signal.
- # (change requires restart)
-#heartbeat_port0 = 9694
- # Port number used for receiving/sending heartbeat signal
- # Usually this is the same as heartbeat_portX.
- # (change requires restart)
-#heartbeat_device0 = ''
- # Name of NIC device (such like 'eth0')
- # used for sending/receiving heartbeat
- # signal to/from destination 0.
- # This works only when this is not empty
- # and pgpool has root privilege.
- # (change requires restart)
-
-#heartbeat_hostname1 = ''
-#heartbeat_port1 = 9694
-#heartbeat_device1 = ''
-#heartbeat_hostname2 = ''
-#heartbeat_port2 = 9694
-#heartbeat_device2 = ''
-
-#wd_heartbeat_keepalive = 2
- # Interval time of sending heartbeat signal (sec)
- # (change requires restart)
-#wd_heartbeat_deadtime = 30
- # Deadtime interval for heartbeat signal (sec)
- # (change requires restart)
-
-# -- query mode --
-
-#wd_life_point = 3
- # lifecheck retry times
- # (change requires restart)
-#wd_lifecheck_query = 'SELECT 1'
- # lifecheck query to pgpool from watchdog
- # (change requires restart)
-#wd_lifecheck_dbname = 'template1'
- # Database name connected for lifecheck
- # (change requires restart)
-#wd_lifecheck_user = 'nobody'
- # watchdog user monitoring pgpools in lifecheck
- # (change requires restart)
-#wd_lifecheck_password = ''
- # Password for watchdog user in lifecheck
- # Leaving it empty will make Pgpool-II to first look for the
- # Password in pool_passwd file before using the empty password
- # (change requires restart)
-
-# - Other pgpool Connection Settings -
-
-#other_pgpool_hostname0 = 'host0'
- # Host name or IP address to connect to for other pgpool 0
- # (change requires restart)
-#other_pgpool_port0 = 5432
- # Port number for other pgpool 0
- # (change requires restart)
-#other_wd_port0 = 9000
- # Port number for other watchdog 0
- # (change requires restart)
-#other_pgpool_hostname1 = 'host1'
-#other_pgpool_port1 = 5432
-#other_wd_port1 = 9000
-
-
-#------------------------------------------------------------------------------
-# OTHERS
-#------------------------------------------------------------------------------
-#relcache_expire = 0
- # Life time of relation cache in seconds.
- # 0 means no cache expiration(the default).
- # The relation cache is used for cache the
- # query result against PostgreSQL system
- # catalog to obtain various information
- # including table structures or if it's a
- # temporary table or not. The cache is
- # maintained in a pgpool child local memory
- # and being kept as long as it survives.
- # If someone modify the table by using
- # ALTER TABLE or some such, the relcache is
- # not consistent anymore.
- # For this purpose, cache_expiration
- # controls the life time of the cache.
-#relcache_size = 256
- # Number of relation cache
- # entry. If you see frequently:
- # "pool_search_relcache: cache replacement happend"
- # in the pgpool log, you might want to increate this number.
-
-#check_temp_table = catalog
- # Temporary table check method. catalog, trace or none.
- # Default is catalog.
-
-#check_unlogged_table = on
- # If on, enable unlogged table check in SELECT statements.
- # This initiates queries against system catalog of primary/main
- # thus increases load of primary.
- # If you are absolutely sure that your system never uses unlogged tables
- # and you want to save access to primary/main, you could turn this off.
- # Default is on.
-#enable_shared_relcache = on
- # If on, relation cache stored in memory cache,
- # the cache is shared among child process.
- # Default is on.
- # (change requires restart)
-
-relcache_query_target = primary
- # Target node to send relcache queries. Default is primary node.
- # If load_balance_node is specified, queries will be sent to load balance node.
-#------------------------------------------------------------------------------
-# IN MEMORY QUERY MEMORY CACHE
-#------------------------------------------------------------------------------
-#memory_cache_enabled = off
- # If on, use the memory cache functionality, off by default
- # (change requires restart)
-#memqcache_method = 'shmem'
- # Cache storage method. either 'shmem'(shared memory) or
- # 'memcached'. 'shmem' by default
- # (change requires restart)
-#memqcache_memcached_host = 'localhost'
- # Memcached host name or IP address. Mandatory if
- # memqcache_method = 'memcached'.
- # Defaults to localhost.
- # (change requires restart)
-#memqcache_memcached_port = 11211
- # Memcached port number. Mondatory if memqcache_method = 'memcached'.
- # Defaults to 11211.
- # (change requires restart)
-#memqcache_total_size = 64MB
- # Total memory size in bytes for storing memory cache.
- # Mandatory if memqcache_method = 'shmem'.
- # Defaults to 64MB.
- # (change requires restart)
-#memqcache_max_num_cache = 1000000
- # Total number of cache entries. Mandatory
- # if memqcache_method = 'shmem'.
- # Each cache entry consumes 48 bytes on shared memory.
- # Defaults to 1,000,000(45.8MB).
- # (change requires restart)
-#memqcache_expire = 0
- # Memory cache entry life time specified in seconds.
- # 0 means infinite life time. 0 by default.
- # (change requires restart)
-#memqcache_auto_cache_invalidation = on
- # If on, invalidation of query cache is triggered by corresponding
- # DDL/DML/DCL(and memqcache_expire). If off, it is only triggered
- # by memqcache_expire. on by default.
- # (change requires restart)
-#memqcache_maxcache = 400kB
- # Maximum SELECT result size in bytes.
- # Must be smaller than memqcache_cache_block_size. Defaults to 400KB.
- # (change requires restart)
-#memqcache_cache_block_size = 1MB
- # Cache block size in bytes. Mandatory if memqcache_method = 'shmem'.
- # Defaults to 1MB.
- # (change requires restart)
-#memqcache_oiddir = '/var/log/pgpool/oiddir'
- # Temporary work directory to record table oids
- # (change requires restart)
-#cache_safe_memqcache_table_list = ''
- # Comma separated list of table names to memcache
- # that don't write to database
- # Regexp are accepted
-#cache_unsafe_memqcache_table_list = ''
- # Comma separated list of table names not to memcache
- # that don't write to database
- # Regexp are accepted
+++ /dev/null
-# ----------------------------
-# pgPool-II configuration file
-# ----------------------------
-#
-# This file consists of lines of the form:
-#
-# name = value
-#
-# Whitespace may be used. Comments are introduced with "#" anywhere on a line.
-# The complete list of parameter names and allowed values can be found in the
-# pgPool-II documentation.
-#
-# This file is read on server startup and when the server receives a SIGHUP
-# signal. If you edit the file on a running system, you have to SIGHUP the
-# server for the changes to take effect, or use "pgpool reload". Some
-# parameters, which are marked below, require a server shutdown and restart to
-# take effect.
-#
-
-#------------------------------------------------------------------------------
-# BACKEND CLUSTERING MODE
-# Choose one of: 'streaming_replication', 'native_replication',
-# 'logical_replication', 'slony', 'raw' or 'snapshot_isolation'
-# (change requires restart)
-#------------------------------------------------------------------------------
-
-backend_clustering_mode = 'slony'
-
-#------------------------------------------------------------------------------
-# CONNECTIONS
-#------------------------------------------------------------------------------
-
-# - pgpool Connection Settings -
-
-#listen_addresses = 'localhost'
- # Host name or IP address to listen on:
- # '*' for all, '' for no TCP/IP connections
- # (change requires restart)
-#port = 9999
- # Port number
- # (change requires restart)
-#socket_dir = '/tmp'
- # Unix domain socket path
- # The Debian package defaults to
- # /var/run/postgresql
- # (change requires restart)
-#listen_backlog_multiplier = 2
- # Set the backlog parameter of listen(2) to
- # num_init_children * listen_backlog_multiplier.
- # (change requires restart)
-#serialize_accept = off
- # whether to serialize accept() call to avoid thundering herd problem
- # (change requires restart)
-#reserved_connections = 0
- # Number of reserved connections.
- # Pgpool-II does not accept connections if over
- # num_init_chidlren - reserved_connections.
-
-# - pgpool Communication Manager Connection Settings -
-
-#pcp_listen_addresses = '*'
- # Host name or IP address for pcp process to listen on:
- # '*' for all, '' for no TCP/IP connections
- # (change requires restart)
-#pcp_port = 9898
- # Port number for pcp
- # (change requires restart)
-#pcp_socket_dir = '/tmp'
- # Unix domain socket path for pcp
- # The Debian package defaults to
- # /var/run/postgresql
- # (change requires restart)
-
-# - Backend Connection Settings -
-
-#backend_hostname0 = 'host1'
- # Host name or IP address to connect to for backend 0
-#backend_port0 = 5432
- # Port number for backend 0
-#backend_weight0 = 1
- # Weight for backend 0 (only in load balancing mode)
-#backend_data_directory0 = '/data'
- # Data directory for backend 0
-#backend_flag0 = 'ALLOW_TO_FAILOVER'
- # Controls various backend behavior
- # ALLOW_TO_FAILOVER, DISALLOW_TO_FAILOVER
- # or ALWAYS_PRIMARY
-#backend_hostname1 = 'host2'
-#backend_port1 = 5433
-#backend_weight1 = 1
-#backend_data_directory1 = '/data1'
-#backend_flag1 = 'ALLOW_TO_FAILOVER'
-
-# - Authentication -
-
-#enable_pool_hba = off
- # Use pool_hba.conf for client authentication
-#pool_passwd = 'pool_passwd'
- # File name of pool_passwd for md5 authentication.
- # "" disables pool_passwd.
- # (change requires restart)
-#authentication_timeout = 60
- # Delay in seconds to complete client authentication
- # 0 means no timeout.
-
-#allow_clear_text_frontend_auth = off
- # Allow Pgpool-II to use clear text password authentication
- # with clients, when pool_passwd does not
- # contain the user password
-
-# - SSL Connections -
-
-#ssl = off
- # Enable SSL support
- # (change requires restart)
-#ssl_key = 'server.key'
- # SSL private key file
- # (change requires restart)
-#ssl_cert = 'server.crt'
- # SSL public certificate file
- # (change requires restart)
-#ssl_ca_cert = ''
- # Single PEM format file containing
- # CA root certificate(s)
- # (change requires restart)
-#ssl_ca_cert_dir = ''
- # Directory containing CA root certificate(s)
- # (change requires restart)
-#ssl_crl_file = ''
- # SSL certificate revocation list file
- # (change requires restart)
-
-#ssl_ciphers = 'HIGH:MEDIUM:+3DES:!aNULL'
- # Allowed SSL ciphers
- # (change requires restart)
-#ssl_prefer_server_ciphers = off
- # Use server's SSL cipher preferences,
- # rather than the client's
- # (change requires restart)
-#ssl_ecdh_curve = 'prime256v1'
- # Name of the curve to use in ECDH key exchange
-#ssl_dh_params_file = ''
- # Name of the file containing Diffie-Hellman parameters used
- # for so-called ephemeral DH family of SSL cipher.
-#ssl_passphrase_command=''
- # Sets an external command to be invoked when a passphrase
- # for decrypting an SSL file needs to be obtained
- # (change requires restart)
-
-#------------------------------------------------------------------------------
-# POOLS
-#------------------------------------------------------------------------------
-
-# - Concurrent session and pool size -
-
-#num_init_children = 32
- # Number of concurrent sessions allowed
- # (change requires restart)
-#max_pool = 4
- # Number of connection pool caches per connection
- # (change requires restart)
-
-# - Life time -
-
-#child_life_time = 5min
- # Pool exits after being idle for this many seconds
-#child_max_connections = 0
- # Pool exits after receiving that many connections
- # 0 means no exit
-#connection_life_time = 0
- # Connection to backend closes after being idle for this many seconds
- # 0 means no close
-#client_idle_limit = 0
- # Client is disconnected after being idle for that many seconds
- # (even inside an explicit transactions!)
- # 0 means no disconnection
-
-
-#------------------------------------------------------------------------------
-# LOGS
-#------------------------------------------------------------------------------
-
-# - Where to log -
-
-log_destination = 'stderr'
- # Where to log
- # Valid values are combinations of stderr,
- # and syslog. Default to stderr.
-
-# - What to log -
-
-#log_line_prefix = '%t: pid %p: ' # printf-style string to output at beginning of each log line.
-
-#log_connections = off
- # Log connections
-#log_disconnections = off
- # Log disconnections
-#log_hostname = off
- # Hostname will be shown in ps status
- # and in logs if connections are logged
-#log_statement = off
- # Log all statements
-#log_per_node_statement = off
- # Log all statements
- # with node and backend informations
-#log_client_messages = off
- # Log any client messages
-#log_standby_delay = 'none'
- # Log standby delay
- # Valid values are combinations of always,
- # if_over_threshold, none
-
-# - Syslog specific -
-
-#syslog_facility = 'LOCAL0'
- # Syslog local facility. Default to LOCAL0
-#syslog_ident = 'pgpool'
- # Syslog program identification string
- # Default to 'pgpool'
-
-# - Debug -
-
-#log_error_verbosity = default # terse, default, or verbose messages
-
-#client_min_messages = notice # values in order of decreasing detail:
- # debug5
- # debug4
- # debug3
- # debug2
- # debug1
- # log
- # notice
- # warning
- # error
-
-#log_min_messages = warning # values in order of decreasing detail:
- # debug5
- # debug4
- # debug3
- # debug2
- # debug1
- # info
- # notice
- # warning
- # error
- # log
- # fatal
- # panic
-
-# This is used when logging to stderr:
-#logging_collector = off
- # Enable capturing of stderr
- # into log files.
- # (change requires restart)
-
-# -- Only used if logging_collector is on ---
-
-#log_directory = '/tmp/pgpool_logs'
- # directory where log files are written,
- # can be absolute
-#log_filename = 'pgpool-%Y-%m-%d_%H%M%S.log'
- # log file name pattern,
- # can include strftime() escapes
-
-#log_file_mode = 0600
- # creation mode for log files,
- # begin with 0 to use octal notation
-
-#log_truncate_on_rotation = off
- # If on, an existing log file with the
- # same name as the new log file will be
- # truncated rather than appended to.
- # But such truncation only occurs on
- # time-driven rotation, not on restarts
- # or size-driven rotation. Default is
- # off, meaning append to existing files
- # in all cases.
-
-#log_rotation_age = 1d
- # Automatic rotation of logfiles will
- # happen after that (minutes)time.
- # 0 disables time based rotation.
-#log_rotation_size = 10MB
- # Automatic rotation of logfiles will
- # happen after that much (KB) log output.
- # 0 disables size based rotation.
-
-#------------------------------------------------------------------------------
-# FILE LOCATIONS
-#------------------------------------------------------------------------------
-
-#pid_file_name = '/var/run/pgpool/pgpool.pid'
- # PID file name
- # Can be specified as relative to the"
- # location of pgpool.conf file or
- # as an absolute path
- # (change requires restart)
-#logdir = '/tmp'
- # Directory of pgPool status file
- # (change requires restart)
-
-
-#------------------------------------------------------------------------------
-# CONNECTION POOLING
-#------------------------------------------------------------------------------
-
-#connection_cache = on
- # Activate connection pools
- # (change requires restart)
-
- # Semicolon separated list of queries
- # to be issued at the end of a session
- # The default is for 8.3 and later
-#reset_query_list = 'ABORT; DISCARD ALL'
- # The following one is for 8.2 and before
-#reset_query_list = 'ABORT; RESET ALL; SET SESSION AUTHORIZATION DEFAULT'
-
-
-#------------------------------------------------------------------------------
-# REPLICATION MODE
-#------------------------------------------------------------------------------
-
-#replicate_select = off
- # Replicate SELECT statements
- # when in replication mode
- # replicate_select is higher priority than
- # load_balance_mode.
-
-#insert_lock = off
- # Automatically locks a dummy row or a table
- # with INSERT statements to keep SERIAL data
- # consistency
- # Without SERIAL, no lock will be issued
-#lobj_lock_table = ''
- # When rewriting lo_creat command in
- # replication mode, specify table name to
- # lock
-
-# - Degenerate handling -
-
-#replication_stop_on_mismatch = off
- # On disagreement with the packet kind
- # sent from backend, degenerate the node
- # which is most likely "minority"
- # If off, just force to exit this session
-
-#failover_if_affected_tuples_mismatch = off
- # On disagreement with the number of affected
- # tuples in UPDATE/DELETE queries, then
- # degenerate the node which is most likely
- # "minority".
- # If off, just abort the transaction to
- # keep the consistency
-
-
-#------------------------------------------------------------------------------
-# LOAD BALANCING MODE
-#------------------------------------------------------------------------------
-
-#load_balance_mode = on
- # Activate load balancing mode
- # (change requires restart)
-#ignore_leading_white_space = on
- # Ignore leading white spaces of each query
-#read_only_function_list = ''
- # Comma separated list of function names
- # that don't write to database
- # Regexp are accepted
-#write_function_list = ''
- # Comma separated list of function names
- # that write to database
- # Regexp are accepted
- # If both read_only_function_list and write_function_list
- # is empty, function's volatile property is checked.
- # If it's volatile, the function is regarded as a
- # writing function.
-
-#primary_routing_query_pattern_list = ''
- # Semicolon separated list of query patterns
- # that should be sent to primary node
- # Regexp are accepted
- # valid for streaming replicaton mode only.
-
-#database_redirect_preference_list = ''
- # comma separated list of pairs of database and node id.
- # example: postgres:primary,mydb[0-4]:1,mydb[5-9]:2'
- # valid for streaming replicaton mode only.
-
-#app_name_redirect_preference_list = ''
- # comma separated list of pairs of app name and node id.
- # example: 'psql:primary,myapp[0-4]:1,myapp[5-9]:standby'
- # valid for streaming replicaton mode only.
-#allow_sql_comments = off
- # if on, ignore SQL comments when judging if load balance or
- # query cache is possible.
- # If off, SQL comments effectively prevent the judgment
- # (pre 3.4 behavior).
-
-#disable_load_balance_on_write = 'transaction'
- # Load balance behavior when write query is issued
- # in an explicit transaction.
- #
- # Valid values:
- #
- # 'transaction' (default):
- # if a write query is issued, subsequent
- # read queries will not be load balanced
- # until the transaction ends.
- #
- # 'trans_transaction':
- # if a write query is issued, subsequent
- # read queries in an explicit transaction
- # will not be load balanced until the session ends.
- #
- # 'dml_adaptive':
- # Queries on the tables that have already been
- # modified within the current explicit transaction will
- # not be load balanced until the end of the transaction.
- #
- # 'always':
- # if a write query is issued, read queries will
- # not be load balanced until the session ends.
- #
- # Note that any query not in an explicit transaction
- # is not affected by the parameter except 'always'.
-
-#dml_adaptive_object_relationship_list= ''
- # comma separated list of object pairs
- # [object]:[dependent-object], to disable load balancing
- # of dependent objects within the explicit transaction
- # after WRITE statement is issued on (depending-on) object.
- #
- # example: 'tb_t1:tb_t2,insert_tb_f_func():tb_f,tb_v:my_view'
- # Note: function name in this list must also be present in
- # the write_function_list
- # only valid for disable_load_balance_on_write = 'dml_adaptive'.
-
-#statement_level_load_balance = off
- # Enables statement level load balancing
-
-#------------------------------------------------------------------------------
-# STREAMING REPLICATION MODE
-#------------------------------------------------------------------------------
-
-# - Streaming -
-
-#sr_check_period = 0
- # Streaming replication check period
- # Disabled (0) by default
-#sr_check_user = 'nobody'
- # Streaming replication check user
- # This is neccessary even if you disable streaming
- # replication delay check by sr_check_period = 0
-
-#sr_check_password = ''
- # Password for streaming replication check user
- # Leaving it empty will make Pgpool-II to first look for the
- # Password in pool_passwd file before using the empty password
-
-#sr_check_database = 'postgres'
- # Database name for streaming replication check
-#delay_threshold = 0
- # Threshold before not dispatching query to standby node
- # Unit is in bytes
- # Disabled (0) by default
-#prefer_lower_delay_standby = off
- # If delay_threshold is set larger than 0, Pgpool-II send to
- # the primary when selected node is delayed over delay_threshold.
- # If this is set to on, Pgpool-II send query to other standby
- # delayed lower.
-
-# - Special commands -
-
-#follow_primary_command = ''
- # Executes this command after main node failover
- # Special values:
- # %d = failed node id
- # %h = failed node host name
- # %p = failed node port number
- # %D = failed node database cluster path
- # %m = new main node id
- # %H = new main node hostname
- # %M = old main node id
- # %P = old primary node id
- # %r = new main port number
- # %R = new main database cluster path
- # %N = old primary node hostname
- # %S = old primary node port number
- # %% = '%' character
-
-#------------------------------------------------------------------------------
-# HEALTH CHECK GLOBAL PARAMETERS
-#------------------------------------------------------------------------------
-
-#health_check_period = 0
- # Health check period
- # Disabled (0) by default
-#health_check_timeout = 20
- # Health check timeout
- # 0 means no timeout
-#health_check_user = 'nobody'
- # Health check user
-#health_check_password = ''
- # Password for health check user
- # Leaving it empty will make Pgpool-II to first look for the
- # Password in pool_passwd file before using the empty password
-
-#health_check_database = ''
- # Database name for health check. If '', tries 'postgres' frist,
-#health_check_max_retries = 0
- # Maximum number of times to retry a failed health check before giving up.
-#health_check_retry_delay = 1
- # Amount of time to wait (in seconds) between retries.
-#connect_timeout = 10000
- # Timeout value in milliseconds before giving up to connect to backend.
- # Default is 10000 ms (10 second). Flaky network user may want to increase
- # the value. 0 means no timeout.
- # Note that this value is not only used for health check,
- # but also for ordinary conection to backend.
-
-#------------------------------------------------------------------------------
-# HEALTH CHECK PER NODE PARAMETERS (OPTIONAL)
-#------------------------------------------------------------------------------
-#health_check_period0 = 0
-#health_check_timeout0 = 20
-#health_check_user0 = 'nobody'
-#health_check_password0 = ''
-#health_check_database0 = ''
-#health_check_max_retries0 = 0
-#health_check_retry_delay0 = 1
-#connect_timeout0 = 10000
-
-#------------------------------------------------------------------------------
-# FAILOVER AND FAILBACK
-#------------------------------------------------------------------------------
-
-#failover_command = ''
- # Executes this command at failover
- # Special values:
- # %d = failed node id
- # %h = failed node host name
- # %p = failed node port number
- # %D = failed node database cluster path
- # %m = new main node id
- # %H = new main node hostname
- # %M = old main node id
- # %P = old primary node id
- # %r = new main port number
- # %R = new main database cluster path
- # %N = old primary node hostname
- # %S = old primary node port number
- # %% = '%' character
-#failback_command = ''
- # Executes this command at failback.
- # Special values:
- # %d = failed node id
- # %h = failed node host name
- # %p = failed node port number
- # %D = failed node database cluster path
- # %m = new main node id
- # %H = new main node hostname
- # %M = old main node id
- # %P = old primary node id
- # %r = new main port number
- # %R = new main database cluster path
- # %N = old primary node hostname
- # %S = old primary node port number
- # %% = '%' character
-
-#failover_on_backend_error = on
- # Initiates failover when reading/writing to the
- # backend communication socket fails
- # If set to off, pgpool will report an
- # error and disconnect the session.
-
-#failover_on_backend_shutdown = off
- # Initiates failover when backend is shutdown,
- # or backend process is killed.
- # If set to off, pgpool will report an
- # error and disconnect the session.
-
-#detach_false_primary = off
- # Detach false primary if on. Only
- # valid in streaming replicaton
- # mode and with PostgreSQL 9.6 or
- # after.
-
-#search_primary_node_timeout = 5min
- # Timeout in seconds to search for the
- # primary node when a failover occurs.
- # 0 means no timeout, keep searching
- # for a primary node forever.
-
-#auto_failback = off
- # Dettached backend node reattach automatically
- # if replication_state is 'streaming'.
-#auto_failback_interval = 1min
- # Min interval of executing auto_failback in
- # seconds.
-
-#------------------------------------------------------------------------------
-# ONLINE RECOVERY
-#------------------------------------------------------------------------------
-
-#recovery_user = 'nobody'
- # Online recovery user
-#recovery_password = ''
- # Online recovery password
- # Leaving it empty will make Pgpool-II to first look for the
- # Password in pool_passwd file before using the empty password
-
-#recovery_1st_stage_command = ''
- # Executes a command in first stage
-#recovery_2nd_stage_command = ''
- # Executes a command in second stage
-#recovery_timeout = 90
- # Timeout in seconds to wait for the
- # recovering node's postmaster to start up
- # 0 means no wait
-#client_idle_limit_in_recovery = 0
- # Client is disconnected after being idle
- # for that many seconds in the second stage
- # of online recovery
- # 0 means no disconnection
- # -1 means immediate disconnection
-
-
-#------------------------------------------------------------------------------
-# WATCHDOG
-#------------------------------------------------------------------------------
-
-# - Enabling -
-
-#use_watchdog = off
- # Activates watchdog
- # (change requires restart)
-
-# -Connection to up stream servers -
-
-#trusted_servers = ''
- # trusted server list which are used
- # to confirm network connection
- # (hostA,hostB,hostC,...)
- # (change requires restart)
-#ping_path = '/bin'
- # ping command path
- # (change requires restart)
-
-# - Watchdog communication Settings -
-
-#hostname0 = ''
- # Host name or IP address of pgpool node
- # for watchdog connection
- # (change requires restart)
-#wd_port0 = 9000
- # Port number for watchdog service
- # (change requires restart)
-#pgpool_port0 = 9999
- # Port number for pgpool
- # (change requires restart)
-
-#hostname1 = ''
-#wd_port1 = 9000
-#pgpool_port1 = 9999
-
-#hostname2 = ''
-#wd_port2 = 9000
-#pgpool_port2 = 9999
-
-#wd_priority = 1
- # priority of this watchdog in leader election
- # (change requires restart)
-
-#wd_authkey = ''
- # Authentication key for watchdog communication
- # (change requires restart)
-
-#wd_ipc_socket_dir = '/tmp'
- # Unix domain socket path for watchdog IPC socket
- # The Debian package defaults to
- # /var/run/postgresql
- # (change requires restart)
-
-# - Virtual IP control Setting -
-
-#delegate_IP = ''
- # delegate IP address
- # If this is empty, virtual IP never bring up.
- # (change requires restart)
-#if_cmd_path = '/sbin'
- # path to the directory where if_up/down_cmd exists
- # If if_up/down_cmd starts with "/", if_cmd_path will be ignored.
- # (change requires restart)
-#if_up_cmd = '/usr/bin/sudo /sbin/ip addr add $_IP_$/24 dev eth0 label eth0:0'
- # startup delegate IP command
- # (change requires restart)
-#if_down_cmd = '/usr/bin/sudo /sbin/ip addr del $_IP_$/24 dev eth0'
- # shutdown delegate IP command
- # (change requires restart)
-#arping_path = '/usr/sbin'
- # arping command path
- # If arping_cmd starts with "/", arping_path will be ignored.
- # (change requires restart)
-#arping_cmd = '/usr/bin/sudo /usr/sbin/arping -U $_IP_$ -w 1 -I eth0'
- # arping command
- # (change requires restart)
-
-# - Behaivor on escalation Setting -
-
-#clear_memqcache_on_escalation = on
- # Clear all the query cache on shared memory
- # when standby pgpool escalate to active pgpool
- # (= virtual IP holder).
- # This should be off if client connects to pgpool
- # not using virtual IP.
- # (change requires restart)
-#wd_escalation_command = ''
- # Executes this command at escalation on new active pgpool.
- # (change requires restart)
-#wd_de_escalation_command = ''
- # Executes this command when leader pgpool resigns from being leader.
- # (change requires restart)
-
-# - Watchdog consensus settings for failover -
-
-#failover_when_quorum_exists = on
- # Only perform backend node failover
- # when the watchdog cluster holds the quorum
- # (change requires restart)
-
-
-#failover_require_consensus = on
- # Perform failover when majority of Pgpool-II nodes
- # aggrees on the backend node status change
- # (change requires restart)
-
-#allow_multiple_failover_requests_from_node = off
- # A Pgpool-II node can cast multiple votes
- # for building the consensus on failover
- # (change requires restart)
-
-
-#enable_consensus_with_half_votes = off
- # apply majority rule for consensus and quorum computation
- # at 50% of votes in a cluster with even number of nodes.
- # when enabled the existence of quorum and consensus
- # on failover is resolved after receiving half of the
- # total votes in the cluster, otherwise both these
- # decisions require at least one more vote than
- # half of the total votes.
- # (change requires restart)
-
-# - Lifecheck Setting -
-
-# -- common --
-
-#wd_monitoring_interfaces_list = ''
- # Comma separated list of interfaces names to monitor.
- # if any interface from the list is active the watchdog will
- # consider the network is fine
- # 'any' to enable monitoring on all interfaces except loopback
- # '' to disable monitoring
- # (change requires restart)
-
-#wd_lifecheck_method = 'heartbeat'
- # Method of watchdog lifecheck ('heartbeat' or 'query' or 'external')
- # (change requires restart)
-#wd_interval = 10
- # lifecheck interval (sec) > 0
- # (change requires restart)
-
-# -- heartbeat mode --
-
-#heartbeat_hostname0 = ''
- # Host name or IP address used
- # for sending heartbeat signal.
- # (change requires restart)
-#heartbeat_port0 = 9694
- # Port number used for receiving/sending heartbeat signal
- # Usually this is the same as heartbeat_portX.
- # (change requires restart)
-#heartbeat_device0 = ''
- # Name of NIC device (such like 'eth0')
- # used for sending/receiving heartbeat
- # signal to/from destination 0.
- # This works only when this is not empty
- # and pgpool has root privilege.
- # (change requires restart)
-
-#heartbeat_hostname1 = ''
-#heartbeat_port1 = 9694
-#heartbeat_device1 = ''
-#heartbeat_hostname2 = ''
-#heartbeat_port2 = 9694
-#heartbeat_device2 = ''
-
-#wd_heartbeat_keepalive = 2
- # Interval time of sending heartbeat signal (sec)
- # (change requires restart)
-#wd_heartbeat_deadtime = 30
- # Deadtime interval for heartbeat signal (sec)
- # (change requires restart)
-
-# -- query mode --
-
-#wd_life_point = 3
- # lifecheck retry times
- # (change requires restart)
-#wd_lifecheck_query = 'SELECT 1'
- # lifecheck query to pgpool from watchdog
- # (change requires restart)
-#wd_lifecheck_dbname = 'template1'
- # Database name connected for lifecheck
- # (change requires restart)
-#wd_lifecheck_user = 'nobody'
- # watchdog user monitoring pgpools in lifecheck
- # (change requires restart)
-#wd_lifecheck_password = ''
- # Password for watchdog user in lifecheck
- # Leaving it empty will make Pgpool-II to first look for the
- # Password in pool_passwd file before using the empty password
- # (change requires restart)
-
-# - Other pgpool Connection Settings -
-
-#other_pgpool_hostname0 = 'host0'
- # Host name or IP address to connect to for other pgpool 0
- # (change requires restart)
-#other_pgpool_port0 = 5432
- # Port number for other pgpool 0
- # (change requires restart)
-#other_wd_port0 = 9000
- # Port number for other watchdog 0
- # (change requires restart)
-#other_pgpool_hostname1 = 'host1'
-#other_pgpool_port1 = 5432
-#other_wd_port1 = 9000
-
-
-#------------------------------------------------------------------------------
-# OTHERS
-#------------------------------------------------------------------------------
-#relcache_expire = 0
- # Life time of relation cache in seconds.
- # 0 means no cache expiration(the default).
- # The relation cache is used for cache the
- # query result against PostgreSQL system
- # catalog to obtain various information
- # including table structures or if it's a
- # temporary table or not. The cache is
- # maintained in a pgpool child local memory
- # and being kept as long as it survives.
- # If someone modify the table by using
- # ALTER TABLE or some such, the relcache is
- # not consistent anymore.
- # For this purpose, cache_expiration
- # controls the life time of the cache.
-#relcache_size = 256
- # Number of relation cache
- # entry. If you see frequently:
- # "pool_search_relcache: cache replacement happend"
- # in the pgpool log, you might want to increate this number.
-
-#check_temp_table = catalog
- # Temporary table check method. catalog, trace or none.
- # Default is catalog.
-
-#check_unlogged_table = on
- # If on, enable unlogged table check in SELECT statements.
- # This initiates queries against system catalog of primary/main
- # thus increases load of primary.
- # If you are absolutely sure that your system never uses unlogged tables
- # and you want to save access to primary/main, you could turn this off.
- # Default is on.
-#enable_shared_relcache = on
- # If on, relation cache stored in memory cache,
- # the cache is shared among child process.
- # Default is on.
- # (change requires restart)
-
-relcache_query_target = primary
- # Target node to send relcache queries. Default is primary node.
- # If load_balance_node is specified, queries will be sent to load balance node.
-#------------------------------------------------------------------------------
-# IN MEMORY QUERY MEMORY CACHE
-#------------------------------------------------------------------------------
-#memory_cache_enabled = off
- # If on, use the memory cache functionality, off by default
- # (change requires restart)
-#memqcache_method = 'shmem'
- # Cache storage method. either 'shmem'(shared memory) or
- # 'memcached'. 'shmem' by default
- # (change requires restart)
-#memqcache_memcached_host = 'localhost'
- # Memcached host name or IP address. Mandatory if
- # memqcache_method = 'memcached'.
- # Defaults to localhost.
- # (change requires restart)
-#memqcache_memcached_port = 11211
- # Memcached port number. Mondatory if memqcache_method = 'memcached'.
- # Defaults to 11211.
- # (change requires restart)
-#memqcache_total_size = 64MB
- # Total memory size in bytes for storing memory cache.
- # Mandatory if memqcache_method = 'shmem'.
- # Defaults to 64MB.
- # (change requires restart)
-#memqcache_max_num_cache = 1000000
- # Total number of cache entries. Mandatory
- # if memqcache_method = 'shmem'.
- # Each cache entry consumes 48 bytes on shared memory.
- # Defaults to 1,000,000(45.8MB).
- # (change requires restart)
-#memqcache_expire = 0
- # Memory cache entry life time specified in seconds.
- # 0 means infinite life time. 0 by default.
- # (change requires restart)
-#memqcache_auto_cache_invalidation = on
- # If on, invalidation of query cache is triggered by corresponding
- # DDL/DML/DCL(and memqcache_expire). If off, it is only triggered
- # by memqcache_expire. on by default.
- # (change requires restart)
-#memqcache_maxcache = 400kB
- # Maximum SELECT result size in bytes.
- # Must be smaller than memqcache_cache_block_size. Defaults to 400KB.
- # (change requires restart)
-#memqcache_cache_block_size = 1MB
- # Cache block size in bytes. Mandatory if memqcache_method = 'shmem'.
- # Defaults to 1MB.
- # (change requires restart)
-#memqcache_oiddir = '/var/log/pgpool/oiddir'
- # Temporary work directory to record table oids
- # (change requires restart)
-#cache_safe_memqcache_table_list = ''
- # Comma separated list of table names to memcache
- # that don't write to database
- # Regexp are accepted
-#cache_unsafe_memqcache_table_list = ''
- # Comma separated list of table names not to memcache
- # that don't write to database
- # Regexp are accepted
+++ /dev/null
-# ----------------------------
-# pgPool-II configuration file
-# ----------------------------
-#
-# This file consists of lines of the form:
-#
-# name = value
-#
-# Whitespace may be used. Comments are introduced with "#" anywhere on a line.
-# The complete list of parameter names and allowed values can be found in the
-# pgPool-II documentation.
-#
-# This file is read on server startup and when the server receives a SIGHUP
-# signal. If you edit the file on a running system, you have to SIGHUP the
-# server for the changes to take effect, or use "pgpool reload". Some
-# parameters, which are marked below, require a server shutdown and restart to
-# take effect.
-#
-
-#------------------------------------------------------------------------------
-# BACKEND CLUSTERING MODE
-# Choose one of: 'streaming_replication', 'native_replication',
-# 'logical_replication', 'slony', 'raw' or 'snapshot_isolation'
-# (change requires restart)
-#------------------------------------------------------------------------------
-
-backend_clustering_mode = 'snapshot_isolation'
-
-#------------------------------------------------------------------------------
-# CONNECTIONS
-#------------------------------------------------------------------------------
-
-# - pgpool Connection Settings -
-
-#listen_addresses = 'localhost'
- # Host name or IP address to listen on:
- # '*' for all, '' for no TCP/IP connections
- # (change requires restart)
-#port = 9999
- # Port number
- # (change requires restart)
-#socket_dir = '/tmp'
- # Unix domain socket path
- # The Debian package defaults to
- # /var/run/postgresql
- # (change requires restart)
-#listen_backlog_multiplier = 2
- # Set the backlog parameter of listen(2) to
- # num_init_children * listen_backlog_multiplier.
- # (change requires restart)
-#serialize_accept = off
- # whether to serialize accept() call to avoid thundering herd problem
- # (change requires restart)
-#reserved_connections = 0
- # Number of reserved connections.
- # Pgpool-II does not accept connections if over
- # num_init_chidlren - reserved_connections.
-
-# - pgpool Communication Manager Connection Settings -
-
-#pcp_listen_addresses = '*'
- # Host name or IP address for pcp process to listen on:
- # '*' for all, '' for no TCP/IP connections
- # (change requires restart)
-#pcp_port = 9898
- # Port number for pcp
- # (change requires restart)
-#pcp_socket_dir = '/tmp'
- # Unix domain socket path for pcp
- # The Debian package defaults to
- # /var/run/postgresql
- # (change requires restart)
-
-# - Backend Connection Settings -
-
-#backend_hostname0 = 'host1'
- # Host name or IP address to connect to for backend 0
-#backend_port0 = 5432
- # Port number for backend 0
-#backend_weight0 = 1
- # Weight for backend 0 (only in load balancing mode)
-#backend_data_directory0 = '/data'
- # Data directory for backend 0
-#backend_flag0 = 'ALLOW_TO_FAILOVER'
- # Controls various backend behavior
- # ALLOW_TO_FAILOVER or DISALLOW_TO_FAILOVER
-#backend_hostname1 = 'host2'
-#backend_port1 = 5433
-#backend_weight1 = 1
-#backend_data_directory1 = '/data1'
-#backend_flag1 = 'ALLOW_TO_FAILOVER'
-
-# - Authentication -
-
-#enable_pool_hba = off
- # Use pool_hba.conf for client authentication
-#pool_passwd = 'pool_passwd'
- # File name of pool_passwd for md5 authentication.
- # "" disables pool_passwd.
- # (change requires restart)
-#authentication_timeout = 1min
- # Delay in seconds to complete client authentication
- # 0 means no timeout.
-
-#allow_clear_text_frontend_auth = off
- # Allow Pgpool-II to use clear text password authentication
- # with clients, when pool_passwd does not
- # contain the user password
-
-# - SSL Connections -
-
-#ssl = off
- # Enable SSL support
- # (change requires restart)
-#ssl_key = 'server.key'
- # SSL private key file
- # (change requires restart)
-#ssl_cert = 'server.crt'
- # SSL public certificate file
- # (change requires restart)
-#ssl_ca_cert = ''
- # Single PEM format file containing
- # CA root certificate(s)
- # (change requires restart)
-#ssl_ca_cert_dir = ''
- # Directory containing CA root certificate(s)
- # (change requires restart)
-#ssl_crl_file = ''
- # SSL certificate revocation list file
- # (change requires restart)
-
-#ssl_ciphers = 'HIGH:MEDIUM:+3DES:!aNULL'
- # Allowed SSL ciphers
- # (change requires restart)
-#ssl_prefer_server_ciphers = off
- # Use server's SSL cipher preferences,
- # rather than the client's
- # (change requires restart)
-#ssl_ecdh_curve = 'prime256v1'
- # Name of the curve to use in ECDH key exchange
-#ssl_dh_params_file = ''
- # Name of the file containing Diffie-Hellman parameters used
- # for so-called ephemeral DH family of SSL cipher.
-#ssl_passphrase_command=''
- # Sets an external command to be invoked when a passphrase
- # for decrypting an SSL file needs to be obtained
- # (change requires restart)
-
-#------------------------------------------------------------------------------
-# POOLS
-#------------------------------------------------------------------------------
-
-# - Concurrent session and pool size -
-
-#num_init_children = 32
- # Number of concurrent sessions allowed
- # (change requires restart)
-#max_pool = 4
- # Number of connection pool caches per connection
- # (change requires restart)
-
-# - Life time -
-
-#child_life_time = 5min
- # Pool exits after being idle for this many seconds
-#child_max_connections = 0
- # Pool exits after receiving that many connections
- # 0 means no exit
-#connection_life_time = 0
- # Connection to backend closes after being idle for this many seconds
- # 0 means no close
-#client_idle_limit = 0
- # Client is disconnected after being idle for that many seconds
- # (even inside an explicit transactions!)
- # 0 means no disconnection
-
-
-#------------------------------------------------------------------------------
-# LOGS
-#------------------------------------------------------------------------------
-
-# - Where to log -
-
-#log_destination = 'stderr'
- # Where to log
- # Valid values are combinations of stderr,
- # and syslog. Default to stderr.
-
-# - What to log -
-
-#log_line_prefix = '%t: pid %p: ' # printf-style string to output at beginning of each log line.
-
-#log_connections = off
- # Log connections
-#log_hostname = off
- # Hostname will be shown in ps status
- # and in logs if connections are logged
-#log_statement = off
- # Log all statements
-#log_per_node_statement = off
- # Log all statements
- # with node and backend informations
-#log_client_messages = off
- # Log any client messages
-#log_standby_delay = 'none'
- # Log standby delay
- # Valid values are combinations of always,
- # if_over_threshold, none
-
-# - Syslog specific -
-
-#syslog_facility = 'LOCAL0'
- # Syslog local facility. Default to LOCAL0
-#syslog_ident = 'pgpool'
- # Syslog program identification string
- # Default to 'pgpool'
-
-# - Debug -
-
-#log_error_verbosity = default # terse, default, or verbose messages
-
-#client_min_messages = notice # values in order of decreasing detail:
- # debug5
- # debug4
- # debug3
- # debug2
- # debug1
- # log
- # notice
- # warning
- # error
-
-#log_min_messages = warning # values in order of decreasing detail:
- # debug5
- # debug4
- # debug3
- # debug2
- # debug1
- # info
- # notice
- # warning
- # error
- # log
- # fatal
- # panic
-
-# This is used when logging to stderr:
-#logging_collector = off
- # Enable capturing of stderr
- # into log files.
- # (change requires restart)
-
-# -- Only used if logging_collector is on ---
-
-#log_directory = '/tmp/pgpool_logs'
- # directory where log files are written,
- # can be absolute
-#log_filename = 'pgpool-%Y-%m-%d_%H%M%S.log'
- # log file name pattern,
- # can include strftime() escapes
-
-#log_file_mode = 0600
- # creation mode for log files,
- # begin with 0 to use octal notation
-
-#log_truncate_on_rotation = off
- # If on, an existing log file with the
- # same name as the new log file will be
- # truncated rather than appended to.
- # But such truncation only occurs on
- # time-driven rotation, not on restarts
- # or size-driven rotation. Default is
- # off, meaning append to existing files
- # in all cases.
-
-#log_rotation_age = 1d
- # Automatic rotation of logfiles will
- # happen after that (minutes)time.
- # 0 disables time based rotation.
-#log_rotation_size = 10MB
- # Automatic rotation of logfiles will
- # happen after that much (KB) log output.
- # 0 disables size based rotation.
-
-#------------------------------------------------------------------------------
-# FILE LOCATIONS
-#------------------------------------------------------------------------------
-
-#pid_file_name = '/var/run/pgpool/pgpool.pid'
- # PID file name
- # Can be specified as relative to the"
- # location of pgpool.conf file or
- # as an absolute path
- # (change requires restart)
-#logdir = '/tmp'
- # Directory of pgPool status file
- # (change requires restart)
-
-
-#------------------------------------------------------------------------------
-# CONNECTION POOLING
-#------------------------------------------------------------------------------
-
-#connection_cache = on
- # Activate connection pools
- # (change requires restart)
-
- # Semicolon separated list of queries
- # to be issued at the end of a session
- # The default is for 8.3 and later
-#reset_query_list = 'ABORT; DISCARD ALL'
- # The following one is for 8.2 and before
-#reset_query_list = 'ABORT; RESET ALL; SET SESSION AUTHORIZATION DEFAULT'
-
-
-#------------------------------------------------------------------------------
-# REPLICATION MODE
-#------------------------------------------------------------------------------
-
-#replicate_select = off
- # Replicate SELECT statements
- # when in replication mode
- # replicate_select is higher priority than
- # load_balance_mode.
-
-#insert_lock = on
- # Automatically locks a dummy row or a table
- # with INSERT statements to keep SERIAL data
- # consistency
- # Without SERIAL, no lock will be issued
-#lobj_lock_table = ''
- # When rewriting lo_creat command in
- # replication mode, specify table name to
- # lock
-
-# - Degenerate handling -
-
-#replication_stop_on_mismatch = off
- # On disagreement with the packet kind
- # sent from backend, degenerate the node
- # which is most likely "minority"
- # If off, just force to exit this session
-
-#failover_if_affected_tuples_mismatch = off
- # On disagreement with the number of affected
- # tuples in UPDATE/DELETE queries, then
- # degenerate the node which is most likely
- # "minority".
- # If off, just abort the transaction to
- # keep the consistency
-
-
-#------------------------------------------------------------------------------
-# LOAD BALANCING MODE
-#------------------------------------------------------------------------------
-
-#load_balance_mode = on
- # Activate load balancing mode
- # (change requires restart)
-#ignore_leading_white_space = on
- # Ignore leading white spaces of each query
-#read_only_function_list = ''
- # Comma separated list of function names
- # that don't write to database
- # Regexp are accepted
-#write_function_list = ''
- # Comma separated list of function names
- # that write to database
- # Regexp are accepted
- # If both read_only_function_list and write_function_list
- # is empty, function's volatile property is checked.
- # If it's volatile, the function is regarded as a
- # writing function.
-
-#primary_routing_query_pattern_list = ''
- # Semicolon separated list of query patterns
- # that should be sent to primary node
- # Regexp are accepted
- # valid for streaming replicaton mode only.
-
-#database_redirect_preference_list = ''
- # comma separated list of pairs of database and node id.
- # example: postgres:primary,mydb[0-4]:1,mydb[5-9]:2'
- # valid for streaming replicaton mode only.
-
-#app_name_redirect_preference_list = ''
- # comma separated list of pairs of app name and node id.
- # example: 'psql:primary,myapp[0-4]:1,myapp[5-9]:standby'
- # valid for streaming replicaton mode only.
-#allow_sql_comments = off
- # if on, ignore SQL comments when judging if load balance or
- # query cache is possible.
- # If off, SQL comments effectively prevent the judgment
- # (pre 3.4 behavior).
-
-#disable_load_balance_on_write = 'transaction'
- # Load balance behavior when write query is issued
- # in an explicit transaction.
- #
- # Valid values:
- #
- # 'transaction' (default):
- # if a write query is issued, subsequent
- # read queries will not be load balanced
- # until the transaction ends.
- #
- # 'trans_transaction':
- # if a write query is issued, subsequent
- # read queries in an explicit transaction
- # will not be load balanced until the session ends.
- #
- # 'dml_adaptive':
- # Queries on the tables that have already been
- # modified within the current explicit transaction will
- # not be load balanced until the end of the transaction.
- #
- # 'always':
- # if a write query is issued, read queries will
- # not be load balanced until the session ends.
- #
- # Note that any query not in an explicit transaction
- # is not affected by the parameter except 'always'.
-
-#dml_adaptive_object_relationship_list= ''
- # comma separated list of object pairs
- # [object]:[dependent-object], to disable load balancing
- # of dependent objects within the explicit transaction
- # after WRITE statement is issued on (depending-on) object.
- #
- # example: 'tb_t1:tb_t2,insert_tb_f_func():tb_f,tb_v:my_view'
- # Note: function name in this list must also be present in
- # the write_function_list
- # only valid for disable_load_balance_on_write = 'dml_adaptive'.
-
-#statement_level_load_balance = off
- # Enables statement level load balancing
-
-#------------------------------------------------------------------------------
-# STREAMING REPLICATION MODE
-#------------------------------------------------------------------------------
-
-# - Streaming -
-
-#sr_check_period = 0
- # Streaming replication check period
- # Disabled (0) by default
-#sr_check_user = 'nobody'
- # Streaming replication check user
- # This is neccessary even if you disable streaming
- # replication delay check by sr_check_period = 0
-
-#sr_check_password = ''
- # Password for streaming replication check user
- # Leaving it empty will make Pgpool-II to first look for the
- # Password in pool_passwd file before using the empty password
-
-#sr_check_database = 'postgres'
- # Database name for streaming replication check
-#delay_threshold = 0
- # Threshold before not dispatching query to standby node
- # Unit is in bytes
- # Disabled (0) by default
-#prefer_lower_delay_standby = off
- # If delay_threshold is set larger than 0, Pgpool-II send to
- # the primary when selected node is delayed over delay_threshold.
- # If this is set to on, Pgpool-II send query to other standby
- # delayed lower.
-
-# - Special commands -
-
-#follow_primary_command = ''
- # Executes this command after main node failover
- # Special values:
- # %d = failed node id
- # %h = failed node host name
- # %p = failed node port number
- # %D = failed node database cluster path
- # %m = new main node id
- # %H = new main node hostname
- # %M = old main node id
- # %P = old primary node id
- # %r = new main port number
- # %R = new main database cluster path
- # %N = old primary node hostname
- # %S = old primary node port number
- # %% = '%' character
-
-#------------------------------------------------------------------------------
-# HEALTH CHECK GLOBAL PARAMETERS
-#------------------------------------------------------------------------------
-
-#health_check_period = 0
- # Health check period
- # Disabled (0) by default
-#health_check_timeout = 20
- # Health check timeout
- # 0 means no timeout
-#health_check_user = 'nobody'
- # Health check user
-#health_check_password = ''
- # Password for health check user
- # Leaving it empty will make Pgpool-II to first look for the
- # Password in pool_passwd file before using the empty password
-
-#health_check_database = ''
- # Database name for health check. If '', tries 'postgres' frist,
-#health_check_max_retries = 0
- # Maximum number of times to retry a failed health check before giving up.
-#health_check_retry_delay = 1
- # Amount of time to wait (in seconds) between retries.
-#connect_timeout = 10000
- # Timeout value in milliseconds before giving up to connect to backend.
- # Default is 10000 ms (10 second). Flaky network user may want to increase
- # the value. 0 means no timeout.
- # Note that this value is not only used for health check,
- # but also for ordinary conection to backend.
-
-#------------------------------------------------------------------------------
-# HEALTH CHECK PER NODE PARAMETERS (OPTIONAL)
-#------------------------------------------------------------------------------
-#health_check_period0 = 0
-#health_check_timeout0 = 20
-#health_check_user0 = 'nobody'
-#health_check_password0 = ''
-#health_check_database0 = ''
-#health_check_max_retries0 = 0
-#health_check_retry_delay0 = 1
-#connect_timeout0 = 10000
-
-#------------------------------------------------------------------------------
-# FAILOVER AND FAILBACK
-#------------------------------------------------------------------------------
-
-#failover_command = ''
- # Executes this command at failover
- # Special values:
- # %d = failed node id
- # %h = failed node host name
- # %p = failed node port number
- # %D = failed node database cluster path
- # %m = new main node id
- # %H = new main node hostname
- # %M = old main node id
- # %P = old primary node id
- # %r = new main port number
- # %R = new main database cluster path
- # %N = old primary node hostname
- # %S = old primary node port number
- # %% = '%' character
-#failback_command = ''
- # Executes this command at failback.
- # Special values:
- # %d = failed node id
- # %h = failed node host name
- # %p = failed node port number
- # %D = failed node database cluster path
- # %m = new main node id
- # %H = new main node hostname
- # %M = old main node id
- # %P = old primary node id
- # %r = new main port number
- # %R = new main database cluster path
- # %N = old primary node hostname
- # %S = old primary node port number
- # %% = '%' character
-
-#failover_on_backend_error = on
- # Initiates failover when reading/writing to the
- # backend communication socket fails
- # If set to off, pgpool will report an
- # error and disconnect the session.
-
-#failover_on_backend_shutdown = off
- # Initiates failover when backend is shutdown,
- # or backend process is killed.
- # If set to off, pgpool will report an
- # error and disconnect the session.
-
-#detach_false_primary = off
- # Detach false primary if on. Only
- # valid in streaming replicaton
- # mode and with PostgreSQL 9.6 or
- # after.
-
-#search_primary_node_timeout = 5min
- # Timeout in seconds to search for the
- # primary node when a failover occurs.
- # 0 means no timeout, keep searching
- # for a primary node forever.
-
-#auto_failback = off
- # Dettached backend node reattach automatically
- # if replication_state is 'streaming'.
-#auto_failback_interval = 1min
- # Min interval of executing auto_failback in
- # seconds.
-
-#------------------------------------------------------------------------------
-# ONLINE RECOVERY
-#------------------------------------------------------------------------------
-
-#recovery_user = 'nobody'
- # Online recovery user
-#recovery_password = ''
- # Online recovery password
- # Leaving it empty will make Pgpool-II to first look for the
- # Password in pool_passwd file before using the empty password
-
-#recovery_1st_stage_command = ''
- # Executes a command in first stage
-#recovery_2nd_stage_command = ''
- # Executes a command in second stage
-#recovery_timeout = 90
- # Timeout in seconds to wait for the
- # recovering node's postmaster to start up
- # 0 means no wait
-#client_idle_limit_in_recovery = 0
- # Client is disconnected after being idle
- # for that many seconds in the second stage
- # of online recovery
- # 0 means no disconnection
- # -1 means immediate disconnection
-
-
-#------------------------------------------------------------------------------
-# WATCHDOG
-#------------------------------------------------------------------------------
-
-# - Enabling -
-
-#use_watchdog = off
- # Activates watchdog
- # (change requires restart)
-
-# -Connection to up stream servers -
-
-#trusted_servers = ''
- # trusted server list which are used
- # to confirm network connection
- # (hostA,hostB,hostC,...)
- # (change requires restart)
-#ping_path = '/bin'
- # ping command path
- # (change requires restart)
-
-# - Watchdog communication Settings -
-
-#hostname0 = ''
- # Host name or IP address of pgpool node
- # for watchdog connection
- # (change requires restart)
-#wd_port0 = 9000
- # Port number for watchdog service
- # (change requires restart)
-#pgpool_port0 = 9999
- # Port number for pgpool
- # (change requires restart)
-
-#hostname1 = ''
-#wd_port1 = 9000
-#pgpool_port1 = 9999
-
-#hostname2 = ''
-#wd_port2 = 9000
-#pgpool_port2 = 9999
-
-#wd_priority = 1
- # priority of this watchdog in leader election
- # (change requires restart)
-
-#wd_authkey = ''
- # Authentication key for watchdog communication
- # (change requires restart)
-
-#wd_ipc_socket_dir = '/tmp'
- # Unix domain socket path for watchdog IPC socket
- # The Debian package defaults to
- # /var/run/postgresql
- # (change requires restart)
-
-
-# - Virtual IP control Setting -
-
-#delegate_IP = ''
- # delegate IP address
- # If this is empty, virtual IP never bring up.
- # (change requires restart)
-#if_cmd_path = '/sbin'
- # path to the directory where if_up/down_cmd exists
- # If if_up/down_cmd starts with "/", if_cmd_path will be ignored.
- # (change requires restart)
-#if_up_cmd = '/usr/bin/sudo /sbin/ip addr add $_IP_$/24 dev eth0 label eth0:0'
- # startup delegate IP command
- # (change requires restart)
-#if_down_cmd = '/usr/bin/sudo /sbin/ip addr del $_IP_$/24 dev eth0'
- # shutdown delegate IP command
- # (change requires restart)
-#arping_path = '/usr/sbin'
- # arping command path
- # If arping_cmd starts with "/", if_cmd_path will be ignored.
- # (change requires restart)
-#arping_cmd = '/usr/bin/sudo /usr/sbin/arping -U $_IP_$ -w 1 -I eth0'
- # arping command
- # (change requires restart)
-
-# - Behaivor on escalation Setting -
-
-#clear_memqcache_on_escalation = on
- # Clear all the query cache on shared memory
- # when standby pgpool escalate to active pgpool
- # (= virtual IP holder).
- # This should be off if client connects to pgpool
- # not using virtual IP.
- # (change requires restart)
-#wd_escalation_command = ''
- # Executes this command at escalation on new active pgpool.
- # (change requires restart)
-#wd_de_escalation_command = ''
- # Executes this command when leader pgpool resigns from being leader.
- # (change requires restart)
-
-# - Watchdog consensus settings for failover -
-
-#failover_when_quorum_exists = off
- # Only perform backend node failover
- # when the watchdog cluster holds the quorum.
- # not allowed in replication mode
- # (change requires restart)
-
-#failover_require_consensus = off
- # Perform failover when majority of Pgpool-II nodes
- # aggrees on the backend node status change.
- # not allowed in replication mode
- # (change requires restart)
-
-#allow_multiple_failover_requests_from_node = off
- # A Pgpool-II node can cast multiple votes
- # for building the consensus on failover
- # (change requires restart)
-
-
-#enable_consensus_with_half_votes = off
- # apply majority rule for consensus and quorum computation
- # at 50% of votes in a cluster with even number of nodes.
- # when enabled the existence of quorum and consensus
- # on failover is resolved after receiving half of the
- # total votes in the cluster, otherwise both these
- # decisions require at least one more vote than
- # half of the total votes.
- # (change requires restart)
-
-# - Lifecheck Setting -
-
-# -- common --
-
-#wd_monitoring_interfaces_list = ''
- # Comma separated list of interfaces names to monitor.
- # if any interface from the list is active the watchdog will
- # consider the network is fine
- # 'any' to enable monitoring on all interfaces except loopback
- # '' to disable monitoring
- # (change requires restart)
-
-#wd_lifecheck_method = 'heartbeat'
- # Method of watchdog lifecheck ('heartbeat' or 'query' or 'external')
- # (change requires restart)
-#wd_interval = 10
- # lifecheck interval (sec) > 0
- # (change requires restart)
-
-# -- heartbeat mode --
-
-#heartbeat_hostname0 = ''
- # Host name or IP address used
- # for sending heartbeat signal.
- # (change requires restart)
-#heartbeat_port0 = 9694
- # Port number used for receiving/sending heartbeat signal
- # Usually this is the same as heartbeat_portX.
- # (change requires restart)
-#heartbeat_device0 = ''
- # Name of NIC device (such like 'eth0')
- # used for sending/receiving heartbeat
- # signal to/from destination 0.
- # This works only when this is not empty
- # and pgpool has root privilege.
- # (change requires restart)
-
-#heartbeat_hostname1 = ''
-#heartbeat_port1 = 9694
-#heartbeat_device1 = ''
-#heartbeat_hostname2 = ''
-#heartbeat_port2 = 9694
-#heartbeat_device2 = ''
-
-#wd_heartbeat_keepalive = 2
- # Interval time of sending heartbeat signal (sec)
- # (change requires restart)
-#wd_heartbeat_deadtime = 30
- # Deadtime interval for heartbeat signal (sec)
- # (change requires restart)
-
-# -- query mode --
-
-#wd_life_point = 3
- # lifecheck retry times
- # (change requires restart)
-#wd_lifecheck_query = 'SELECT 1'
- # lifecheck query to pgpool from watchdog
- # (change requires restart)
-#wd_lifecheck_dbname = 'template1'
- # Database name connected for lifecheck
- # (change requires restart)
-#wd_lifecheck_user = 'nobody'
- # watchdog user monitoring pgpools in lifecheck
- # (change requires restart)
-#wd_lifecheck_password = ''
- # Password for watchdog user in lifecheck
- # Leaving it empty will make Pgpool-II to first look for the
- # Password in pool_passwd file before using the empty password
- # (change requires restart)
-
-#------------------------------------------------------------------------------
-# OTHERS
-#------------------------------------------------------------------------------
-#relcache_expire = 0
- # Life time of relation cache in seconds.
- # 0 means no cache expiration(the default).
- # The relation cache is used for cache the
- # query result against PostgreSQL system
- # catalog to obtain various information
- # including table structures or if it's a
- # temporary table or not. The cache is
- # maintained in a pgpool child local memory
- # and being kept as long as it survives.
- # If someone modify the table by using
- # ALTER TABLE or some such, the relcache is
- # not consistent anymore.
- # For this purpose, cache_expiration
- # controls the life time of the cache.
-#relcache_size = 256
- # Number of relation cache
- # entry. If you see frequently:
- # "pool_search_relcache: cache replacement happend"
- # in the pgpool log, you might want to increate this number.
-
-#check_temp_table = catalog
- # Temporary table check method. catalog, trace or none.
- # Default is catalog.
-
-#check_unlogged_table = on
- # If on, enable unlogged table check in SELECT statements.
- # This initiates queries against system catalog of primary/main
- # thus increases load of primary.
- # If you are absolutely sure that your system never uses unlogged tables
- # and you want to save access to primary/main, you could turn this off.
- # Default is on.
-#enable_shared_relcache = on
- # If on, relation cache stored in memory cache,
- # the cache is shared among child process.
- # Default is on.
- # (change requires restart)
-
-relcache_query_target = primary
- # Target node to send relcache queries. Default is primary node.
- # If load_balance_node is specified, queries will be sent to load balance node.
-#------------------------------------------------------------------------------
-# IN MEMORY QUERY MEMORY CACHE
-#------------------------------------------------------------------------------
-#memory_cache_enabled = off
- # If on, use the memory cache functionality, off by default
- # (change requires restart)
-#memqcache_method = 'shmem'
- # Cache storage method. either 'shmem'(shared memory) or
- # 'memcached'. 'shmem' by default
- # (change requires restart)
-#memqcache_memcached_host = 'localhost'
- # Memcached host name or IP address. Mandatory if
- # memqcache_method = 'memcached'.
- # Defaults to localhost.
- # (change requires restart)
-#memqcache_memcached_port = 11211
- # Memcached port number. Mondatory if memqcache_method = 'memcached'.
- # Defaults to 11211.
- # (change requires restart)
-#memqcache_total_size = 64MB
- # Total memory size in bytes for storing memory cache.
- # Mandatory if memqcache_method = 'shmem'.
- # Defaults to 64MB.
- # (change requires restart)
-#memqcache_max_num_cache = 1000000
- # Total number of cache entries. Mandatory
- # if memqcache_method = 'shmem'.
- # Each cache entry consumes 48 bytes on shared memory.
- # Defaults to 1,000,000(45.8MB).
- # (change requires restart)
-#memqcache_expire = 0
- # Memory cache entry life time specified in seconds.
- # 0 means infinite life time. 0 by default.
- # (change requires restart)
-#memqcache_auto_cache_invalidation = on
- # If on, invalidation of query cache is triggered by corresponding
- # DDL/DML/DCL(and memqcache_expire). If off, it is only triggered
- # by memqcache_expire. on by default.
- # (change requires restart)
-#memqcache_maxcache = 400kB
- # Maximum SELECT result size in bytes.
- # Must be smaller than memqcache_cache_block_size. Defaults to 400KB.
- # (change requires restart)
-#memqcache_cache_block_size = 1MB
- # Cache block size in bytes. Mandatory if memqcache_method = 'shmem'.
- # Defaults to 1MB.
- # (change requires restart)
-#memqcache_oiddir = '/var/log/pgpool/oiddir'
- # Temporary work directory to record table oids
- # (change requires restart)
-#cache_safe_memqcache_table_list = ''
- # Comma separated list of table names to memcache
- # that don't write to database
- # Regexp are accepted
-#cache_unsafe_memqcache_table_list = ''
- # Comma separated list of table names not to memcache
- # that don't write to database
- # Regexp are accepted
PGBASEPORT=`expr $BASEPORT + 2`
# Default number of PostgreSQL database clusters
NUMCLUSTERS=${NUMCLUSTERS:-"2"}
-# Where to look for pgpool.conf.sample*
+# Where to look for pgpool.conf.sample
PGPOOL_INSTALL_DIR=${PGPOOL_INSTALL_DIR:-"@@PGPOOL_INSTALL_DIR@@"}
PGPOOLDIR=${PGPOOLDIR:-"@@PGPOOL_CONFIG_DIR@@"}
# PostgreSQL commands(initdb, pg_ctl, psql) install dir
shift
done
+SAMPLE_CONF=$PGPOOLDIR/pgpool.conf.sample
+
case $MODE in
r) MODENAME="native replication mode"
- SAMPLE_CONF=$PGPOOLDIR/pgpool.conf.sample-replication
+ CLUSTERING_MODE_STR="native_replication"
;;
s ) MODENAME="streaming replication mode"
- SAMPLE_CONF=$PGPOOLDIR/pgpool.conf.sample-stream
+ CLUSTERING_MODE_STR="streaming_replication"
;;
n ) MODENAME="raw mode"
- SAMPLE_CONF=$PGPOOLDIR/pgpool.conf.sample-raw
+ CLUSTERING_MODE_STR="raw"
;;
l ) MODENAME="logical replication mode"
- SAMPLE_CONF=$PGPOOLDIR/pgpool.conf.sample-logical
+ CLUSTERING_MODE_STR="logical_replication"
;;
y ) MODENAME="slony mode"
- SAMPLE_CONF=$PGPOOLDIR/pgpool.conf.sample-slony
+ CLUSTERING_MODE_STR="slony"
;;
i ) MODENAME="snapshot isolation mode"
- SAMPLE_CONF=$PGPOOLDIR/pgpool.conf.sample-snapshot
+ CLUSTERING_MODE_STR="snapshot_isolation"
;;
esac
#-------------------------------------------
test ! -d etc && mkdir etc
cp $SAMPLE_CONF $CONF
+echo "backend_clustering_mode = $CLUSTERING_MODE_STR" >> $CONF
cp $PGPOOLDIR/pool_hba.conf.sample $BASEDIR/etc/pool_hba.conf
#-------------------------------------------
projects / pgpool2.git / commitdiff