Horton

Re: Fwd: [BUG]: the walsender does not update its IO statistics until it exits

vignesh C <vignesh21@gmail.com>

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From: vignesh C <vignesh21@gmail.com>
To: Bertrand Drouvot <bertranddrouvot.pg@gmail.com>
Cc: Michael Paquier <michael@paquier.xyz>, Xuneng Zhou <xunengzhou@gmail.com>, Andres Freund <andres@anarazel.de>, pgsql-hackers@lists.postgresql.org
Date: 2025-04-04T16:03:46Z
Lists: pgsql-hackers 
On Fri, 4 Apr 2025 at 10:31, Bertrand Drouvot
<bertranddrouvot.pg@gmail.com> wrote:
>
> Hi,
>
> On Thu, Apr 03, 2025 at 03:23:31PM +0530, vignesh C wrote:
> > Can we add it to one of the subscription tests, such as 001_rep_changes.pl?
>
> Yeah that sounds like a good place for it. Done in the attached.

The new test added currently passes even without the patch. It would
be ideal to have a test that fails without the patch and passes once
the patch is applied.

Regards,
Vignesh

Commits

  1. Flush the IO statistics of active WAL senders more frequently

  2. Optimize check for pending backend IO stats