Re: postgresql meltdown on PlanetMath.org
| От | Tom Lane |
|---|---|
| Тема | Re: postgresql meltdown on PlanetMath.org |
| Дата | |
| Msg-id | 7699.1047929160@sss.pgh.pa.us обсуждение |
| Ответ на | Re: postgresql meltdown on PlanetMath.org (Chris Sutton <chris@smoothcorp.com>) |
| Ответы |
Re: postgresql meltdown on PlanetMath.org
|
| 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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