Heikki,

Yes, I did restart postmaster after setting autovacuum=off
as I've mentioned before I've checked it using show autovacuum.

It was vacuuming a table from the old database while
the server was running pg_dump -U postgres old_base | psql new_base postgres


Sorry for missing the CC, I had a bad night sleep (actually dump-restored db =)

On Fri, 04 May 2007 11:57:25 +0100
Heikki Linnakangas <[EMAIL PROTECTED]> wrote:

> Please CC the list to allow others to participate in the discussion, and 
> to have it archived for future readers...
> 
> Evgeny Gridasov wrote:
> > I've seen it analyzing and vacuuming some tables for a long time...
> > Is it OK?
> > The reason I'm asking I was dump-restoring a huge database, and disabled
> > autovacuum in config file.
> 
> Well, to avoid XID wrap-around, you have to run (auto)vacuum eventually. 
> If you don't mind that your clog files will take up more disk space, as 
> you probably don't if you have a huge database anyways, you can increase 
> autovacuum_freeze_max_age so you don't need to run it as often.
> 
> But I'm starting to wonder if it was the XID wraparound that triggered 
> the autovacuum after all. You did restart postmaster after setting 
> autovacuum=off in the config file, right? That's required for the 
> setting to take effect.
> 
> What table is it vacuuming? A recently restored table shouldn't need to 
> be vacuumed for a long time.
> 
> -- 
>    Heikki Linnakangas
>    EnterpriseDB   http://www.enterprisedb.com
> 

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