From: Ron <ronljohnsonjr@gmail.com>
To: pgsql-admin@lists.postgresql.org
Subject: Re: How can i be certain autovacuum is causing reuse if table still grows
Date: Mon, 27 Jul 2020 16:27:30 -0500
Message-ID: <e772b0f8-57b1-67a7-2ef3-15e2b744bc45@gmail.com> (raw)
In-Reply-To: <CP2PR80MB0707312D852432398C61BDD08C720@CP2PR80MB0707.lamprd80.prod.outlook.com>
References: <FR1PR80MB071069E71B2758BB9D187EC18C770@FR1PR80MB0710.lamprd80.prod.outlook.com>
<CP2PR80MB0707AE54D878CA370750BE908C720@CP2PR80MB0707.lamprd80.prod.outlook.com>
<CAKFQuwYRfH0JMfubcKL=U6oo1cXrtb44H5O+ywXyuKDKg96_KA@mail.gmail.com>
<CP2PR80MB0707312D852432398C61BDD08C720@CP2PR80MB0707.lamprd80.prod.outlook.com>
Another suggestion is to partition the table by a chronological key, so that
only a fraction of the table needs to be vacuumed.
On 7/27/20 3:36 PM, Sidney Aloisio Ferreira Pryor wrote:
> Thank you, David.
> So can i assume that autovacuum only release dead tuples when it ends its
> execution?
>
> Autovacuum is not finishing and is running for days.
> We did not find a parameter to limit autovacuum executing time.
> Do you have any recomendation?
>
> Thank you.
> Sidney.
> ----------------------------------------------------------------------------
> *De:* David G. Johnston <david.g.johnston@gmail.com>
> *Enviado:* segunda-feira, 27 de julho de 2020 17:17
> *Para:* Sidney Aloisio Ferreira Pryor <sidney@tjrj.jus.br>
> *Cc:* pgsql-admin@lists.postgresql.org <pgsql-admin@lists.postgresql.org>
> *Assunto:* Re: How can i be certain autovacuum is causing reuse if table
> still grows
> On Monday, July 27, 2020, Sidney Aloisio Ferreira Pryor
> <sidney@tjrj.jus.br <mailto:sidney@tjrj.jus.br>> wrote:
>
> Hi, we have a 9.6.5 postgres
>
> Autovacuum is set with default parameters and is running on this table
> for days without naping or stopping.
>
> 3285 | -5 days -23:33:10.792166 | postgres | autovacuum: VACUUM
> ANALYZE public.flip_pagina_edicao (to prevent wraparound)
> (1 rows)
>
>
> Its probably best avoid drawing conclusions here until the anti-wraparound
> vacuum has completed and you’ve updated to the latest minor version of
> PostgreSQL.
>
> David J.
>
--
Angular momentum makes the world go 'round.
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Subject: Re: How can i be certain autovacuum is causing reuse if table still grows
In-Reply-To: <e772b0f8-57b1-67a7-2ef3-15e2b744bc45@gmail.com>
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