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| author | Heikki Linnakangas <heikki.linnakangas@iki.fi> | 2016-09-29 13:16:30 +0300 |
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| committer | Heikki Linnakangas <heikki.linnakangas@iki.fi> | 2016-09-29 13:16:30 +0300 |
| commit | 6e654546fb61f62cc982d0c8f62241b3b30e7ef8 (patch) | |
| tree | 8c94b730bf7e132b05bfe0411227bc25cf0cd062 /src/common/file_utils.c | |
| parent | 6ad8ac6026287e3ccbc4d606b6ab6116ccc0eec8 (diff) | |
| download | postgresql-6e654546fb61f62cc982d0c8f62241b3b30e7ef8.tar.gz postgresql-6e654546fb61f62cc982d0c8f62241b3b30e7ef8.zip | |
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>
Diffstat (limited to 'src/common/file_utils.c')
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