From: Bruce Momjian <bruce@momjian.us>
To: Kouber Saparev <postgres@saparev.com>
Cc: pgsql-admin@postgresql.org <pgsql-admin@postgresql.org>
Subject: Re: Does pg_reset_stats() influence autovacuum?
Date: Thu, 23 Aug 2012 22:47:48 -0400
Message-ID: <20120824024748.GA5965@momjian.us> (raw)
In-Reply-To: <5035E2FC.2050805@saparev.com>
References: <5035E2FC.2050805@saparev.com>
On Thu, Aug 23, 2012 at 10:59:56AM +0300, Kouber Saparev wrote:
> Hello,
>
> Does resetting of stats through pg_reset_stats() influence the way
> autovacuum determines whether autovacuum_vacuum_scale_factor and
> autovacuum_analyze_scale_factor settings are reached?
>
> In other words, are the n_live_tup and n_dead_tup values kept somewhere
> internally, apart pg_stat_all_tables?
No. pg_reset_stats() will affect autovacuum, usually in a bad way.
--
Bruce Momjian <bruce@momjian.us> http://momjian.us
EnterpriseDB http://enterprisedb.com
+ It's impossible for everything to be true. +
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To: pgsql-admin@postgresql.org
Cc: bruce@momjian.us, postgres@saparev.com
Subject: Re: Does pg_reset_stats() influence autovacuum?
In-Reply-To: <20120824024748.GA5965@momjian.us>
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