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Commit9b95a36

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Make crash recovery ignore recovery_min_apply_delay setting.
In v11 or before, this setting could not take effect in crash recoverybecause it's specified in recovery.conf and crash recovery alwaysstarts without recovery.conf. But commit2dedf4d integratedrecovery.conf into postgresql.conf and which unexpectedly allowedthis setting to take effect even in crash recovery. This is definitelynot good behavior.To fix the issue, this commit makes crash recovery always ignorerecovery_min_apply_delay setting.Back-patch to v12 where the issue was added.Author: Fujii MasaoReviewed-by: Michael PaquierDiscussion:https://postgr.es/m/CAHGQGwEyD6HdZLfdWc+95g=VQFPR4zQL4n+yHxQgGEGjaSVheQ@mail.gmail.comDiscussion:https://postgr.es/m/e445616d-023e-a268-8aa1-67b8b335340c@pgmasters.net
1 parent89403ed commit9b95a36

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‎doc/src/sgml/config.sgml

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@@ -4209,7 +4209,8 @@ ANY <replaceable class="parameter">num_sync</replaceable> ( <replaceable class="
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</para>
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<para>
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This parameter is intended for use with streaming replication deployments;
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however, if the parameter is specified it will be honored in all cases.
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however, if the parameter is specified it will be honored in all cases
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except crash recovery.
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<varname>hot_standby_feedback</varname> will be delayed by use of this feature
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which could lead to bloat on the master; use both together with care.

‎src/backend/access/transam/xlog.c

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@@ -5977,6 +5977,10 @@ recoveryApplyDelay(XLogReaderState *record)
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if (!reachedConsistency)
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return false;
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/* nothing to do if crash recovery is requested */
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if (!ArchiveRecoveryRequested)
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return false;
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/*
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* Is it a COMMIT record?
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*

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