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postgres/contrib/pg_buffercache
Heikki Linnakangas 6e654546fb Don't bother to lock bufmgr partitions in pg_buffercache.
That makes the view a lot less disruptive to use on a production system.
Without the locks, you don't get a consistent snapshot across all buffers,
but that's OK. It wasn't a very useful guarantee in practice.

Ivan Kartyshov, reviewed by Tomas Vondra and Robert Haas.

Discusssion: <f9d6cab2-73a7-7a84-55a8-07dcb8516ae5@postgrespro.ru>
2016-09-29 13:16:30 +03:00
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