Hi Hackers, I just noticed that relation_mark_replica_identity() unconditionally opened pg_class with RowExclusiveLock even in cases where relreplident has no change, which incurred unnecessary relation opens, lock acquisition.
I just made a tiny refactor that defers opening pg_class until we know that an update to relreplident is required. I have manually tested the change, and "make check" passed. Best regards, Chao Li (Evan) --------------------- HighGo Software Co., Ltd. https://www.highgo.com/
v1-0001-tablecmds-Open-pg_class-only-when-an-update-is-re.patch
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