Re: Fix pg_stat_get_backend_wait_event() for aux processes

From: Bertrand Drouvot <bertranddrouvot(dot)pg(at)gmail(dot)com>
To: Heikki Linnakangas <hlinnaka(at)iki(dot)fi>
Cc: Sami Imseih <samimseih(at)gmail(dot)com>, Robert Haas <robertmhaas(at)gmail(dot)com>, "pgsql-hackers(at)postgresql(dot)org" <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Fix pg_stat_get_backend_wait_event() for aux processes
Date: 2026-02-04 08:02:00
Message-ID: aYL8+H+J58EbZ8Hg@ip-10-97-1-34.eu-west-3.compute.internal
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Hi,

On Tue, Feb 03, 2026 at 10:29:27PM +0200, Heikki Linnakangas wrote:
> There might be a performance argument too,

yeah, not sure but with the patch in place the size of PGPROC goes from
832 bytes to 824 bytes. Is it worth to add extra padding so that it still remain
a multiple of 64?

Regards,

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

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