Re: Autovacuum on by default?
От | Jim C. Nasby |
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Тема | Re: Autovacuum on by default? |
Дата | |
Msg-id | 20060823072421.GJ88878@pervasive.com обсуждение исходный текст |
Ответ на | Re: Autovacuum on by default? (Tom Lane <tgl@sss.pgh.pa.us>) |
Ответы |
Re: Autovacuum on by default?
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Список | pgsql-hackers |
On Tue, Aug 22, 2006 at 11:08:49AM -0400, Tom Lane wrote: > "Jim C. Nasby" <jim@nasby.net> writes: > > If there's a bunch of activity on a table but stats are reset before a > > vacuum is run on it and then a vacuum is run, the user will still be > > left thinking that the table needs to be vacuumed. > > Except that autovac *won't* vacuum it if the stats have been reset. > So I'm not seeing that there's really a problem in practice. IIRC the stats also include info about regular (manual) vacuums, so the above scenario still applies. -- Jim C. Nasby, Sr. Engineering Consultant jnasby@pervasive.com Pervasive Software http://pervasive.com work: 512-231-6117 vcard: http://jim.nasby.net/pervasive.vcf cell: 512-569-9461
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