| From: | "scott(dot)marlowe" <scott(dot)marlowe(at)ihs(dot)com> |
|---|---|
| To: | Greg Spiegelberg <gspiegelberg(at)cranel(dot)com> |
| Cc: | Postgres Admin List <pgsql-admin(at)postgresql(dot)org> |
| Subject: | Re: Reindex database |
| Date: | 2003-12-12 15:54:05 |
| Message-ID: | Pine.LNX.4.33.0312120851460.16496-100000@css120.ihs.com |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-admin |
On Fri, 12 Dec 2003, Greg Spiegelberg wrote:
> Any rule of thumb for REINDEX DATABASE? Once per month?
> Per x transactions?
You shouldn't need to reindex databases for the most part. If there's
lots of catalog updates / delete, it might be occasionally useful to down
the database and reindex those catalogs in single user mode since you
can't reindex them on a live database if I remember correctly.
If you are running 7.3.5 or before, you might need to schedule daily /
weekly / monthly etc reindexes of indexes that show unreasonable growth
problems. This should be mostly fixed for 7.4, and reindexes should not
really be needed anymore, we hope :-).
generally speaking, reindex is for fixing broken indexes, not generaly
maintenance.
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