| From: | Melanie Plageman <melanieplageman(at)gmail(dot)com> |
|---|---|
| To: | Alvaro Herrera <alvherre(at)alvh(dot)no-ip(dot)org> |
| Cc: | Andres Freund <andres(at)anarazel(dot)de>, Kyotaro Horiguchi <horikyota(dot)ntt(at)gmail(dot)com>, Magnus Hagander <magnus(at)hagander(dot)net>, Pg Hackers <pgsql-hackers(at)postgresql(dot)org>, Lukas Fittl <lukas(at)fittl(dot)com>, Thomas Munro <thomas(dot)munro(at)gmail(dot)com> |
| Subject: | Re: pg_stat_bgwriter.buffers_backend is pretty meaningless (and more?) |
| Date: | 2021-10-01 20:05:31 |
| Message-ID: | CAAKRu_boF3Yh_PeHs10S-88J3fy3AGCQxHCur6+7tgy78YxJ_g@mail.gmail.com |
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| Lists: | pgsql-hackers |
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(at)alvh(dot)no-ip(dot)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.
| Attachment | Content-Type | Size |
|---|---|---|
| v13-0004-Remove-superfluous-bgwriter-stats.patch | text/x-patch | 15.6 KB |
| v13-0001-Allow-bootstrap-process-to-beinit.patch | text/x-patch | 820 bytes |
| v13-0002-Add-utility-to-make-tuplestores-for-pg-stat-view.patch | text/x-patch | 7.2 KB |
| v13-0003-Add-system-view-tracking-IO-ops-per-backend-type.patch | text/x-patch | 39.3 KB |
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