Re: Draft for basic NUMA observability

From: Bertrand Drouvot <bertranddrouvot(dot)pg(at)gmail(dot)com>
To: Jakub Wartak <jakub(dot)wartak(at)enterprisedb(dot)com>
Cc: Tomas Vondra <tomas(at)vondra(dot)me>, Andres Freund <andres(at)anarazel(dot)de>, Alvaro Herrera <alvherre(at)alvh(dot)no-ip(dot)org>, Nazir Bilal Yavuz <byavuz81(at)gmail(dot)com>, PostgreSQL Hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Draft for basic NUMA observability
Date: 2025-04-03 12:41:48
Message-ID: Z+6CDJL+2BQ/RzvA@ip-10-97-1-34.eu-west-3.compute.internal
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Hi Jakub,

On Thu, Apr 03, 2025 at 02:36:57PM +0200, Jakub Wartak wrote:
> On Thu, Apr 3, 2025 at 10:23 AM Bertrand Drouvot
> <bertranddrouvot(dot)pg(at)gmail(dot)com> wrote:
> Right, we could also put it as a limitation. I would be happy to leave
> it as it must be a rare condition, but Tomas stated he's not.
>
> > Also maybe we should just focus till v21-0003 (and discard v21-0004 for 18).
>
> Do you mean discard pg_buffercache_numa (0002+0003) and instead go
> with pg_shm_allocations_numa (0004) ?

No I meant the opposite: focus on 0001, 0002 and 0003 for 18. But if Tomas is
confident enough to also focus in addition to 0004, that's fine too.

Regards,

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

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