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Rework wait for AccessExclusiveLocks on Hot Standby

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Earlier version committed in 9.0 caused spurious waits in some cases.
New infrastructure for lock waits in 9.3 used to correct and improve this.

Jeff Janes based upon a proposal by Simon Riggs, who also reviewed
Additional review comments from Amit Kapila
This commit is contained in:
Simon Riggs
2016-03-10 19:26:24 +00:00
parent 53be0b1add
commit 37c54863cf
5 changed files with 112 additions and 61 deletions
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src/backend/postmaster/startup.c
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@ -203,6 +203,7 @@ StartupProcessMain(void)
*/
RegisterTimeout(STANDBY_DEADLOCK_TIMEOUT, StandbyDeadLockHandler);
RegisterTimeout(STANDBY_TIMEOUT, StandbyTimeoutHandler);
RegisterTimeout(STANDBY_LOCK_TIMEOUT, StandbyLockTimeoutHandler);
/*
* Unblock signals (they were blocked when the postmaster forked us)