Re: Help me recovering data
От | Robert Treat |
---|---|
Тема | Re: Help me recovering data |
Дата | |
Msg-id | 200502181014.19322.xzilla@users.sourceforge.net обсуждение исходный текст |
Ответ на | Re: Help me recovering data (pgsql@mohawksoft.com) |
Список | pgsql-hackers |
On Thursday 17 February 2005 07:47, pgsql@mohawksoft.com wrote: > > Gaetano Mendola <mendola@bigfoot.com> writes: > >> We do ~4000 txn/minute so in 6 month you are screewd up... > > > > Sure, but if you ran without vacuuming for 6 months, wouldn't you notice > > the > > huge slowdowns from all those dead tuples before that? > > I would think that only applies to databases where UPDATE and DELETE are > done often. What about databases that are 99.999% inserts? A DBA lightly > going over the docs may not even know that vacuum needs to be run. > Yup... I don't vacuum a least a 100 of the tables in my schema cause they are continuous insert with big deletions once every 6 months or so. Generally speaking it isn't worth the performance hit to vacuum these big tables regularly, so I only do it when I have to.... like every six months when wrap around gets close. -- Robert Treat Build A Brighter Lamp :: Linux Apache {middleware} PostgreSQL
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