Re: BUG #5321: Parallel restore temporarily deadlocked by autovacuum analyze

From: Alvaro Herrera <alvherre(at)commandprompt(dot)com>
To: Jerry Gamache <jerry(dot)gamache(at)idilia(dot)com>
Cc: pgsql-bugs(at)postgresql(dot)org
Subject: Re: BUG #5321: Parallel restore temporarily deadlocked by autovacuum analyze
Date: 2010-02-10 15:06:19
Message-ID: 20100210150619.GB4922@alvh.no-ip.org
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Jerry Gamache wrote:

> The restore resumed while I was writing this report, and I saw these new
> entries in the logs:
>
> ERROR: canceling autovacuum task
> CONTEXT: automatic analyze of table "database1.public.table_y"
> ERROR: canceling autovacuum task
> CONTEXT: automatic analyze of table "database1.public.table_y"

This is what I would have expected to happen almost immediately ... what
are your autovacuum settings? And what's your deadlock timeout?

--
Alvaro Herrera http://www.CommandPrompt.com/
PostgreSQL Replication, Consulting, Custom Development, 24x7 support

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