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Re: Problem with autovacuum and pg_autovacuum

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Andreas 'ads' Scherbaum wrote:
> 
> Hello,
> 
> On Wed, 4 Jul 2007 18:40:15 -0400 Alvaro Herrera wrote:
> 
> > Andreas 'ads' Scherbaum wrote:
> > > 
> > > On Wed, 4 Jul 2007 18:04:35 -0400 Alvaro Herrera wrote:
> > > 
> > > > Most likely it is worried about XID wraparound, and those are precisely
> > > > the tables that need urgent vacuumed because they haven't been vacuumed
> > > > in a long time.
> > > 
> > > No, autovacuum is doing this with every run. Beside this, the database has
> > > only some 10k changes per day. The wraparound was my first idea, but i
> > > don't see a reason, why this should be happen with every autovacuum run.
> > 
> > Ok a new weird scenario.  Could you please let us look at
> > 
> > select relname, relfrozenxid, age(relfrozenxid) from pg_class where
> > relkind in ('r', 't') order by 3 desc;
> 
> Thats a bit more information ...
> 
> http://rafb.net/p/xJ4W6W43.html

Oh.  It's not the age.  Please let us look at the pg_stat_user_tables
entries for the involved tables?  If it's picking the same tables maybe
pgstats has stale info, but why is it not updating it?

-- 
Alvaro Herrera                  http://www.amazon.com/gp/registry/5ZYLFMCVHXC
"The problem with the facetime model is not just that it's demoralizing, but
that the people pretending to work interrupt the ones actually working."
                                                           (Paul Graham)


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