Re: When do vacuumed pages/tuples become available for reuse?

From: Alvaro Herrera <alvherre(at)2ndquadrant(dot)com>
To: rihad <rihad(at)mail(dot)ru>
Cc: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, pgsql-general General <pgsql-general(at)postgresql(dot)org>
Subject: Re: When do vacuumed pages/tuples become available for reuse?
Date: 2019-04-11 15:04:23
Message-ID: 20190411150423.GA7441@alvherre.pgsql
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On 2019-Apr-11, rihad wrote:

> On 04/11/2019 06:41 PM, Alvaro Herrera wrote:
>
> > Perhaps it'd be better to vacuum this table much more often.
> >
> Each run took 5-6 hours, now it takes 2-3 hours after I've tweaked some
> cost-based vacuum knobs.

But how often does it run?

--
Álvaro Herrera https://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services

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