Re: Error handling in after-startup shmem requests

From: Andres Freund <andres(at)anarazel(dot)de>
To: Heikki Linnakangas <hlinnaka(at)iki(dot)fi>
Cc: Ayush Tiwari <ayushtiwari(dot)slg01(at)gmail(dot)com>, Ashutosh Bapat <ashutosh(dot)bapat(dot)oss(at)gmail(dot)com>, PostgreSQL Hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Error handling in after-startup shmem requests
Date: 2026-08-28 21:05:18
Message-ID: rpkhzrrmo7qiz7rr3qlufksb2oci33wcg3ao75le7dqindgoif@6yozkjwb6bdf
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Hi,

On 2026-08-28 17:58:55 +0300, Heikki Linnakangas wrote:
> On 26/08/2026 15:44, Ayush Tiwari wrote:
> > I took a quick look and triggered the tests parallely.
> >
> > Patch looks good to me.
>
> Committed, thanks!

This test reliably fails for me locally. I think it may be due to my system
having huge pages configured and the default of the huge_pages GUC being
try. When using huge pages, we round up the allocation, which increases the
reserve. Which then triggers the test to fail to fail, as the reserve is
bigger than 128kB.

- Andres

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