| From: | "Olivier Hubaut" <olivier(at)scmbb(dot)ulb(dot)ac(dot)be> |
|---|---|
| To: | "C(dot) Bensend" <benny(at)bennyvision(dot)com>, pgsql-admin(at)postgresql(dot)org |
| Subject: | Re: VARCHAR -vs- CHAR: huge performance difference? |
| Date: | 2004-06-17 06:46:47 |
| Message-ID: | opr9qaj9yp94ope3@olivier.amaze.ulb.ac.be |
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| Lists: | pgsql-admin |
On Wed, 16 Jun 2004 09:37:58 -0500 (CDT), C. Bensend
<benny(at)bennyvision(dot)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.
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