Re: BUG #5849: Stats Collector Frozen - Autovacuum Not Working Anymore - Mailing list pgsql-bugs

From Tom Lane
Subject Re: BUG #5849: Stats Collector Frozen - Autovacuum Not Working Anymore
Date
Msg-id 20057.1296062512@sss.pgh.pa.us
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In response to BUG #5849: Stats Collector Frozen - Autovacuum Not Working Anymore  ("Radu Ilie" <rilie@wsi.com>)
Responses Re: BUG #5849: Stats Collector Frozen - Autovacuum Not Working Anymore  ("Ilie, Radu" <rilie@wsi.com>)
List pgsql-bugs
"Radu Ilie" <rilie@wsi.com> writes:
> PostgreSQL version: 8.4.4 32 bit

> We started noticing very poor performance one day ago. Turns out the
> autovacuum was no longer working.

Perhaps you ran into the cost_limit problem that was fixed in 8.4.6?

http://archives.postgresql.org/pgsql-committers/2010-11/msg00186.php

> Any idea why the stats collector was stuck?

I don't think you've offered any proof that the stats collector was
stuck.  Waiting for a message would be its normal state.

            regards, tom lane

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