Re: pg_stat_io_histogram

From: Bertrand Drouvot <bertranddrouvot(dot)pg(at)gmail(dot)com>
To: Andres Freund <andres(at)anarazel(dot)de>
Cc: Ants Aasma <ants(dot)aasma(at)cybertec(dot)at>, Jakub Wartak <jakub(dot)wartak(at)enterprisedb(dot)com>, PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org>
Subject: Re: pg_stat_io_histogram
Date: 2026-02-19 17:15:53
Message-ID: aZdFSSXaW6C3RJbJ@ip-10-97-1-34.eu-west-3.compute.internal
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Hi,

On Wed, Feb 18, 2026 at 06:12:47PM -0500, Andres Freund wrote:
> Just rediscovered that the per-backend tracking patch added an external
> function call to pgstat_count_io_op_time(), pgstat_count_backend_io_op() and
> that a fair number of more recently added branches are constants at the
> callsite :(. Probably doesn't matter, but makes me sad nonetheless :)

Yeah, we have a dedicated thread to remove those [1].

Sorry that my message is not directly linked to $SUBJECT, but I was reading this
thread and saw Andres's message above that remind me of [1].

[1]: https://postgr.es/m/aNVWe2tR1jj5Tsct%40ip-10-97-1-34.eu-west-3.compute.internal

Regards,

--
Bertrand Drouvot
PostgreSQL Contributors Team
RDS Open Source Databases
Amazon Web Services: https://aws.amazon.com

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