| From: | Bruce Momjian <bruce(at)momjian(dot)us> |
|---|---|
| To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | Zeugswetter Andreas OSB sIT <Andreas(dot)Zeugswetter(at)s-itsolutions(dot)at>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: vacuumdb --freeze |
| Date: | 2009-02-19 18:24:52 |
| Message-ID: | 200902191824.n1JIOqR21882@momjian.us |
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| Lists: | pgsql-hackers |
Tom Lane wrote:
> Bruce Momjian <bruce(at)momjian(dot)us> writes:
> > Tom Lane wrote:
> >> vacuum analyze doesn't unfreeze pg_class. It could create unfrozen
> >> tuples in pg_statistic, perhaps, but we could easily fix that by
> >> truncating pg_statistic afterwards (its not like there will be useful
> >> data there...)
>
> > I have added --analyze to the vacuumdb command and documented its
> > purpose.
>
> Surely that's backwards? What's the point of doing analyze work you'll
> have to throw away?
Hmmm, that is true; removed.
> >> The end goal is going to be to have all this work happen in a standalone
> >> backend,
>
> > Any idea how to do that?
>
> I didn't say it was easy.
Well, seeing as we want something for 8.4, I figured you had a plan.
--
Bruce Momjian <bruce(at)momjian(dot)us> http://momjian.us
EnterpriseDB http://enterprisedb.com
+ If your life is a hard drive, Christ can be your backup. +
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