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
Branch
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REL_12_STABLE
Details
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https://git.postgresql.org/pg/commitdiff/8e933596c9e425ead61cb2800d7b889cdcf83b6a
Modified Files
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src/bin/pg_upgrade/server.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)