From: Ondřej Světlík <osvetlik@flexibee.eu>
To: pgsql-admin@postgresql.org <pgsql-admin@postgresql.org>
Subject: Re: Autovacuum of pg_database
Date: Thu, 5 May 2016 17:55:13 +0200
Message-ID: <572B6CE1.1010208@flexibee.eu> (raw)
In-Reply-To: <20160505155126.GA180309@alvherre.pgsql>
References: <20160505155126.GA180309@alvherre.pgsql>
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Dne 5.5.2016 v 17:51 Alvaro Herrera napsal(a):
> Vicky Soni - Quipment India wrote:
>> Hello,
>>
>> I have observed that after upgrading from 9.3 to 9.4 on windows, autovacuum keep running again and again.
>>
>> In 9.3 this was not true. Any recommendations?
>
> Maybe there is a multixact wraparound problem. What 9.3 were you
> running previously, and what 9.4 did you upgrade to? Can you share the
> output of pg_controldata? Please paste the output of this query
> select datname, datminmxid from pg_database
>
That sound's reasonable, our autovacuum problems started with processes
labeled as 'to prevent wraparound' (on pg_shdepend). We use 9.4.
Ondřej
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To: pgsql-admin@postgresql.org
Cc: osvetlik@flexibee.eu
Subject: Re: Autovacuum of pg_database
In-Reply-To: <572B6CE1.1010208@flexibee.eu>
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