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Commit1f113ab

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Move StartupCLOG() calls to just after we initialize ShmemVariableCache.
Previously, the hot_standby=off code path did this at end of recovery,while the hot_standby=on code path did it at the beginning of recovery.It's better to do this in only one place because (a) it's simpler,(b) StartupCLOG() is trivial so trying to postpone the work isn'tuseful, and (c) this will make it possible to simplify some otherlogic.Patch by me, reviewed by Heikki Linnakangas.Discussion:http://postgr.es/m/CA+TgmoZYig9+AQodhF5sRXuKkJ=RgFDugLr3XX_dz_F-p=TwTg@mail.gmail.com
1 parente42b3c3 commit1f113ab

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  • src/backend/access/transam

1 file changed

+10
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‎src/backend/access/transam/xlog.c‎

Lines changed: 10 additions & 7 deletions
Original file line numberDiff line numberDiff line change
@@ -6855,6 +6855,13 @@ StartupXLOG(void)
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*/
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StartupReorderBuffer();
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6858+
/*
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* Startup CLOG. This must be done after ShmemVariableCache->nextXid
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* has been initialized and before we accept connections or begin WAL
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* replay.
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*/
6863+
StartupCLOG();
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68586865
/*
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* Startup MultiXact. We need to do this early to be able to replay
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* truncations.
@@ -7125,11 +7132,10 @@ StartupXLOG(void)
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ProcArrayInitRecovery(XidFromFullTransactionId(ShmemVariableCache->nextXid));
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/*
7128-
* Startupcommit log andsubtrans only. MultiXact and commit
7135+
* Startup subtrans only. CLOG, MultiXact and commit
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* timestamp have already been started up and other SLRUs are not
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* maintained during recovery and need not be started yet.
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*/
7132-
StartupCLOG();
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StartupSUBTRANS(oldestActiveXID);
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/*
@@ -7945,14 +7951,11 @@ StartupXLOG(void)
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LWLockRelease(ProcArrayLock);
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/*
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* Start upthe commit log andsubtrans, if not already done for hot
7949-
*standby. (committimestamps are started below, if necessary.)
7954+
* Start up subtrans, if not already done for hot standby. (commit
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* timestamps are started below, if necessary.)
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*/
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if (standbyState==STANDBY_DISABLED)
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{
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StartupCLOG();
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StartupSUBTRANS(oldestActiveXID);
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}
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/*
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* Perform end of recovery actions for any SLRUs that need it.

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