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

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От Melanie Plageman
Тема Re: pg_stat_bgwriter.buffers_backend is pretty meaningless (and more?)
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Msg-id CAAKRu_boF3Yh_PeHs10S-88J3fy3AGCQxHCur6+7tgy78YxJ_g@mail.gmail.com
обсуждение исходный текст
Ответ на Re: pg_stat_bgwriter.buffers_backend is pretty meaningless (and more?)  (Alvaro Herrera <alvherre@alvh.no-ip.org>)
Ответы Re: pg_stat_bgwriter.buffers_backend is pretty meaningless (and more?)  (Andres Freund <andres@anarazel.de>)
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v13 (attached) contains several cosmetic updates and the full rename
(comments included) of BufferAccessType and BufferType.

On Thu, Sep 30, 2021 at 7:15 PM Alvaro Herrera <alvherre@alvh.no-ip.org> wrote:
>
> Can you say more about 0001?
>

The rationale for this patch was that it doesn't save much to avoid
initializing backend activity state in the bootstrap process and by
doing so, I don't have to do the check if (beentry) in pgstat_inc_ioop()
--which happens on most buffer accesses.
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