Re: FileFallocate misbehaving on XFS

From: Andres Freund <andres(at)anarazel(dot)de>
To: Andrea Gelmini <andrea(dot)gelmini(at)gmail(dot)com>
Cc: Michael Harris <harmic(at)gmail(dot)com>, Robert Haas <robertmhaas(at)gmail(dot)com>, Jakub Wartak <jakub(dot)wartak(at)enterprisedb(dot)com>, Alvaro Herrera <alvherre(at)alvh(dot)no-ip(dot)org>, Tomas Vondra <tomas(at)vondra(dot)me>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: FileFallocate misbehaving on XFS
Date: 2025-01-02 14:38:09
Message-ID: gtszc4vuoyff6yhnyfuj53ou4qrvxjkurtf74tg4zq5etwoq6n@pzdoqkcndcf2
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Hi,

On 2025-01-02 11:41:56 +0100, Andrea Gelmini wrote:
> Il giorno mar 31 dic 2024 alle ore 16:31 Andres Freund <andres(at)anarazel(dot)de>
> ha scritto:
>
> 2024-12-19 04:47:04 CET [2646363]: ERROR: could not extend file
> > "pg_tblspc/107724/PG_16_202307071/465960/3232056651.2" by 11 blocks, from
> > 29850 to 29861, using FileFallocate(): No space left on device
>
>
> Dunno it it helps, but today I read this reference in latest patchset on
> XFS mailing list:
> https://lore.kernel.org/linux-xfs/20241104014439(dot)3786609-1-zhangshida(at)kylinos(dot)cn/
>
>
> It could be related and explain the effect?

I doubt it - there was a lot more free space in the various AGs and they, with
the exception of 1-2 AGs, weren't that fragmented.

Greetings,

Andres Freund

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