pgsql: Tune GetSnapshotData() during Hot Standby by avoiding loop

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От sriggs@postgresql.org (Simon Riggs)
Тема pgsql: Tune GetSnapshotData() during Hot Standby by avoiding loop
Дата
Msg-id 20100418180608.16F067541D1@cvs.postgresql.org
обсуждение исходный текст
Ответы Re: pgsql: Tune GetSnapshotData() during Hot Standby by avoiding loop  (Heikki Linnakangas <heikki.linnakangas@enterprisedb.com>)
Список pgsql-committers
Дерево обсуждения 
Log Message:
-----------
Tune GetSnapshotData() during Hot Standby by avoiding loop
through normal backends. Makes code clearer also, since we
avoid various Assert()s. Performance of snapshots taken
during recovery no longer depends upon number of read-only
backends.

Modified Files:
--------------
    pgsql/src/backend/access/transam:
        xlog.c (r1.397 -> r1.398)
        (http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/backend/access/transam/xlog.c?r1=1.397&r2=1.398)
    pgsql/src/backend/storage/ipc:
        procarray.c (r1.62 -> r1.63)
        (http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/backend/storage/ipc/procarray.c?r1=1.62&r2=1.63)
    pgsql/src/include/access:
        xlog.h (r1.106 -> r1.107)
        (http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/include/access/xlog.h?r1=1.106&r2=1.107)

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