pg_upgrade: set vacuum_defer_cleanup_age to zero
authorBruce Momjian <bruce@momjian.us>
Tue, 16 Jun 2020 00:59:40 +0000 (20:59 -0400)
committerBruce Momjian <bruce@momjian.us>
Tue, 16 Jun 2020 00:59:40 +0000 (20:59 -0400)
commit39c698cff8a004c0027ffeb8c97b754d08a9a544
tree50d7b26f2d44ced40e7b954a9f018c76fb731163
parent4c897197d7939d290781edae6bc53f91f5fcb09b
pg_upgrade:  set vacuum_defer_cleanup_age to zero

Non-zero vacuum_defer_cleanup_age values cause pg_upgrade freezing of
the system catalogs to be incomplete, or do nothing.  This will cause
the upgrade to fail in confusing ways.

Reported-by: Laurenz Albe
Discussion: https://postgr.es/m/7d6f6c22ba05ce0c526e9e8b7bfa8105e7da45e6.camel@cybertec.at

Backpatch-through: 9.5
src/bin/pg_upgrade/server.c