fix deadlock during waiting for apply worker stop (issue #258) #260
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DenisRazinkin
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DenisRazinkin
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Oct 26, 2020
| if (apply->proc->waitLock) | ||
| { | ||
| const LOCKTAG apply_lock_tag = apply->proc->waitLock->tag; | ||
| if (((LockTagType) apply_lock_tag.locktag_type == LOCKTAG_TRANSACTION) && |
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This check works only for 2 processes deadlock cycle (apply worker and drop sub process).
PostgreSQL deadlock detection ( DeadLockCheck(PGPROC *proc) ) is not working here because drop subscription worker do not locked by apply worker, it just waiting for apply being stopped.
And ReleaseDeletionLock which we implement statically. Later we'll want to move them to compat, or better, rething the pglogical_depedency module completely.
# Conflicts: # Makefile # expected/init.out # pglogical.h
…ogical into REL2_x_STABLE
pglogical features: initial sync with clear filter, queue fix, queries executed after initial sync.
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