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

From: Andres Freund <andres(at)anarazel(dot)de>
To: Kyotaro Horiguchi <horikyota(dot)ntt(at)gmail(dot)com>
Cc: melanieplageman(at)gmail(dot)com, 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: 2023-02-09 05:03:19
Message-ID: 20230209050319.chyyup4vtq4jzobq@awork3.anarazel.de
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Hi,

On 2023-02-07 22:38:14 -0800, Andres Freund wrote:
> I did another read through the series. I do have some minor changes, but
> they're minor. I think this is ready for commit. I plan to start pushing
> tomorrow.

Pushed the first (and biggest) commit. More tomorrow.

Already can't wait to see incremental improvements of this version of
pg_stat_io ;). Tracking buffer hits. Tracking Wal IO. Tracking relation IO
bypassing shared buffers. Per connection IO statistics. Tracking IO time.

Greetings,

Andres Freund

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