From: Alvaro Herrera <alvherre@2ndquadrant.com>
To: Mariel Cherkassky <mariel.cherkassky@gmail.com>
Cc: pgsql-performance@lists.postgresql.org
Subject: Re: ERROR: unrecognized parameter "autovacuum_analyze_scale_factor"
Date: Wed, 13 Feb 2019 13:13:33 -0300
Message-ID: <20190213161333.GA18322@alvherre.pgsql> (raw)
In-Reply-To: <CA+t6e1mOFpgWfQ61JVhEjKvvCq6mpnRn-R88yY1JHxL1wqu0Pg@mail.gmail.com>
On 2019-Feb-13, Mariel Cherkassky wrote:
> Hey,
> I have a very big toasted table in my db(9.2.5).
Six years of bugfixes missing there ... you need to think about an
update.
> Autovacuum doesnt gather
> statistics on it because the analyze_scale/threshold are default and as a
> result autoanalyze is never run and the statistics are wrong :
analyze doesn't process toast tables anyway.
I think the best you could do is manually vacuum this table.
--
Álvaro Herrera https://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services
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To: pgsql-performance@postgresql.org
Cc: alvherre@2ndquadrant.com, mariel.cherkassky@gmail.com, pgsql-performance@lists.postgresql.org
Subject: Re: ERROR: unrecognized parameter "autovacuum_analyze_scale_factor"
In-Reply-To: <20190213161333.GA18322@alvherre.pgsql>
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