Re: Changing shared_buffers without restart

From: Ashutosh Bapat <ashutosh(dot)bapat(dot)oss(at)gmail(dot)com>
To: Jakub Wartak <jakub(dot)wartak(at)enterprisedb(dot)com>
Cc: Tomas Vondra <tomas(at)vondra(dot)me>, Peter Eisentraut <peter(at)eisentraut(dot)org>, Thomas Munro <thomas(dot)munro(at)gmail(dot)com>, Dmitry Dolgov <9erthalion6(at)gmail(dot)com>, pgsql-hackers(at)postgresql(dot)org, Robert Haas <robertmhaas(at)gmail(dot)com>, chaturvedipalak1911(at)gmail(dot)com, Andres Freund <andres(at)anarazel(dot)de>
Subject: Re: Changing shared_buffers without restart
Date: 2026-02-13 11:52:22
Message-ID: CAExHW5uX2LGwWHaeZu5XqK-83NwzUzpSAXn6hT+xx9X=21tweA@mail.gmail.com
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On Thu, Feb 12, 2026 at 7:43 PM Jakub Wartak
<jakub(dot)wartak(at)enterprisedb(dot)com> wrote:
>
>
> TBH, I haven't really looked at the code outside of that region, I'm just
> trespasser that was interested in memfd ;)

Your trespassing has been very helpful. I have started a separate
thread to discuss resizable shared structures at [1]. Once the
implementation there is somewhat finalized, it will be good to try
your huge page tests again.

[1] https://www.postgresql.org/message-id/CAExHW5vM1bneLYfg0wGeAa=52UiJ3z4vKd3AJ72X8Fw6k3KKrg@mail.gmail.com

--
Best Wishes,
Ashutosh Bapat

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