Re: postgresql meltdown on PlanetMath.org
От | Tom Lane |
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Тема | Re: postgresql meltdown on PlanetMath.org |
Дата | |
Msg-id | 7699.1047929160@sss.pgh.pa.us обсуждение исходный текст |
Ответ на | Re: postgresql meltdown on PlanetMath.org (Chris Sutton <chris@smoothcorp.com>) |
Ответы |
Re: postgresql meltdown on PlanetMath.org
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Список | pgsql-performance |
Chris Sutton <chris@smoothcorp.com> writes: > On Mon, 17 Mar 2003, Tom Lane wrote: >> In CVS tip, a whole-database VACUUM VERBOSE gives info about the free >> space map occupancy, eg >> INFO: Free space map: 224 relations, 450 pages stored; 3776 total pages needed. >> Allocated FSM size: 1000 relations + 20000 pages = 178 KB shared mem. > How do you get this information? Before CVS tip, you don't. [ thinks...] Perhaps we could back-port the FSM changes into 7.3 ... it would be a larger change than I'd usually consider reasonable for a stable branch, though. Particularly considering that it would be hard to call it a bug fix. By any sane definition this is a new feature, and we have a policy against putting new features in stable branches. regards, tom lane
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