public inbox for [email protected]  

help / color / mirror / Atom feed

From: Christoph Berg <[email protected]>
To: Tomas Vondra <[email protected]>
Cc: Jakub Wartak <[email protected]>
Cc: [email protected]
Subject: Re: failed NUMA pages inquiry status: Operation not permitted
Date: Tue, 16 Dec 2025 18:54:46 +0100
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>
References: <[email protected]>
	<[email protected]>
	<[email protected]>
	<[email protected]>
	<[email protected]>
	<[email protected]>
	<[email protected]>
	<[email protected]>
	<[email protected]>
	<[email protected]>

Re: Tomas Vondra
> 1) right after opening a connection, I get this
> 
> test=# select numa_node, count(*) from pg_buffercache_numa group by 1;
>  numa_node | count
> -----------+-------
>          0 |   290
>         -2 | 32478

Does that mean that the "touch all pages" logic is missing in some
code paths?

But even with that, it seems to be able to degenerate again and
accepting -2 in the regression tests would be required to make it
stable.

Christoph

view thread (83+ messages)  latest in thread

reply

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Reply to all the recipients using the --to and --cc options:
  reply via email

  To: [email protected]
  Cc: [email protected], [email protected], [email protected], [email protected]
  Subject: Re: failed NUMA pages inquiry status: Operation not permitted
  In-Reply-To: <[email protected]>

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

This inbox is served by agora; see mirroring instructions
for how to clone and mirror all data and code used for this inbox