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pgsql: Further reductions in Hot Standby conflict processing.

From: sriggs(at)postgresql(dot)org (Simon Riggs)
To: pgsql-committers(at)postgresql(dot)org
Subject: pgsql: Further reductions in Hot Standby conflict processing.
Date: 2010-04-22 02:15:45
Message-ID: 20100422021545.D3D257541D0@cvs.postgresql.org (view raw or flat)
Thread:
Lists: pgsql-committers
Log Message:
-----------
Further reductions in Hot Standby conflict processing. These
come from the realistion that HEAP2_CLEAN records don't
always remove user visible data, so conflict processing for
them can be skipped. Confirm validity using Assert checks,
clarify circumstances under which we log heap_cleanup_info
records. Tuning arises from bug fixing of earlier safety
check failures.

Modified Files:
--------------
    pgsql/src/backend/access/heap:
        heapam.c (r1.288 -> r1.289)
        (http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/backend/access/heap/heapam.c?r1=1.288&r2=1.289)
        pruneheap.c (r1.23 -> r1.24)
        (http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/backend/access/heap/pruneheap.c?r1=1.23&r2=1.24)
    pgsql/src/backend/commands:
        vacuumlazy.c (r1.134 -> r1.135)
        (http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/backend/commands/vacuumlazy.c?r1=1.134&r2=1.135)

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