Re: [HACKERS] Still recommending daily vacuum...

Jim C. Nasby wrote:
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> From
> http://developer.postgresql.org/pgdocs/postgres/routine-vacuuming.html :
>
> "Recommended practice for most sites is to schedule a database-wide
> VACUUM once a day at a low-usage time of day, supplemented by more
> frequent vacuuming of heavily-updated tables if necessary. (Some
> installations with extremely high update rates vacuum their busiest
> tables as often as once every few minutes.) If you have multiple
> databases in a cluster, don't forget to VACUUM each one; the program
> vacuumdb might be helpful."
>
> Do we still want that to be our formal recommendation? ISTM it would be
> more logical to recommend a combination of autovac, daily vacuumdb -a if
> you can afford it and have a quiet period, and frequent manual vacuuming
> of things like web session tables.
>
> I'm happy to come up with a patch, but I figure there should be
> consensus first...

I have applied the following patch to emphasize autovacuum rather than
administrator-scheduled vacuums.

--
Bruce Momjian <bruce(at)momjian(dot)us> http://momjian.us
EnterpriseDB http://www.enterprisedb.com

+ If your life is a hard drive, Christ can be your backup. +