Re: VARCHAR -vs- CHAR: huge performance difference?
От | Olivier Hubaut |
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Тема | Re: VARCHAR -vs- CHAR: huge performance difference? |
Дата | |
Msg-id | opr9qaj9yp94ope3@olivier.amaze.ulb.ac.be обсуждение исходный текст |
Ответ на | Re: VARCHAR -vs- CHAR: huge performance difference? ("C. Bensend" <benny@bennyvision.com>) |
Ответы |
Re: VARCHAR -vs- CHAR: huge performance difference?
Re: VARCHAR -vs- CHAR: huge performance difference? |
Список | pgsql-admin |
On Wed, 16 Jun 2004 09:37:58 -0500 (CDT), C. Bensend <benny@bennyvision.com> wrote: > >> You might want to look into the autovacuum daemon, and / or increasing >> fsm settings to be large enough to hold all the spare tuples released by >> vacuuming. > > IIRC, the autovacuum stuff was added in 7.4, which I'm not running (yet). > An upgrade to 7.4.3 might be prudent for me, while the database is still > small. > > Benny > > By the way, be carefull. The pg_autovacuum is not good enough for being using as the only way for cleaning the database, especially if you have a lot of update and delete on the same tables. -- Downloading signature ... 99% *CRC FAILED* signature aborted
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