Re: pg_stat_bgwriter.buffers_backend is pretty meaningless (and more?)

From: Andres Freund <andres(at)anarazel(dot)de>
To: Melanie Plageman <melanieplageman(at)gmail(dot)com>
Cc: Kyotaro Horiguchi <horikyota(dot)ntt(at)gmail(dot)com>, tgl(at)sss(dot)pgh(dot)pa(dot)us, vignesh21(at)gmail(dot)com, pryzby(at)telsasoft(dot)com, lukas(at)fittl(dot)com, alvherre(at)alvh(dot)no-ip(dot)org, magnus(at)hagander(dot)net, pgsql-hackers(at)postgresql(dot)org, thomas(dot)munro(at)gmail(dot)com, m(dot)sakrejda(at)gmail(dot)com
Subject: Re: pg_stat_bgwriter.buffers_backend is pretty meaningless (and more?)
Date: 2023-03-07 18:18:44
Message-ID: 20230307181844.hxnlfi3wa5lm7sm2@awork3.anarazel.de
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Hi,

On 2023-03-06 15:21:14 -0500, Melanie Plageman wrote:
> Good point. Attached is what you suggested. I committed the transaction
> before the drop table so that the statistics would be visible when we
> queried pg_stat_io.

Pushed, thanks for the report, analysis and fix, Tom, Horiguchi-san, Melanie.

Greetings,

Andres Freund

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