when deploy the project(docker or whatever), pls configure the JVM setting, the default setting for heap is 512MB, you can change the size.

search 'memory', then click change memory setting, For arch 4096MB is enough(maybe)

enter postgresql:
     sudo su - postgres
     psql
     default username:postgres
     \c database_name

First we have to install redis.

sudo pacman -S redis

Next we have to enable it.

sudo systemctl enable redis.service

Let's start the redis server.

redis-server

Check the connection.

redis-cli ping // if you get PONG, its working

Stop the server.

press "CTRL + C" on the same terminal

OR

sudo systemctl stop redis.service