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Fix a BF failure caused by commit 76b78721ca.

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The issue occurred because the replication slot was not released in the
slotsync worker when a slot synchronization cycle was skipped. This skip
happened because the required WAL was not received and flushed on the
standby server. As a result, in the next cycle, when attempting to acquire
the slot, an assertion failure was triggered.

Author: Hou Zhijie <houzj.fnst@fujitsu.com>
Discussion: https://postgr.es/m/CAA4eK1KMwYUYy=oAVHu9mam+vX50ixxfhO4_C=kgQC8VCQHEfw@mail.gmail.com
This commit is contained in:
Amit Kapila 2025-11-25 08:49:46 +00:00
parent 76b78721ca
commit 3df4df53b0
1 changed files with 4 additions and 0 deletions
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4
src/backend/replication/logical/slotsync.c
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@ -725,6 +725,8 @@ synchronize_one_slot(RemoteSlot *remote_slot, Oid remote_dbid)
remote_slot->name,
LSN_FORMAT_ARGS(latestFlushPtr)));
ReplicationSlotRelease();
return slot_updated;
}
@ -824,6 +826,8 @@ synchronize_one_slot(RemoteSlot *remote_slot, Oid remote_dbid)
remote_slot->name,
LSN_FORMAT_ARGS(latestFlushPtr)));
ReplicationSlotRelease();
return false;
}