Re: Error:could not extend file " with FileFallocate(): No space left on device

From: Thomas Munro <thomas(dot)munro(at)gmail(dot)com>
To: Alvaro Herrera <alvherre(at)alvh(dot)no-ip(dot)org>
Cc: Pecsök Ján <jan(dot)pecsok(at)profinit(dot)eu>, "pgsql-general(at)lists(dot)postgresql(dot)org" <pgsql-general(at)lists(dot)postgresql(dot)org>, Andres Freund <andres(at)anarazel(dot)de>
Subject: Re: Error:could not extend file " with FileFallocate(): No space left on device
Date: 2024-09-11 10:44:52
Message-ID: CA+hUKGJ_QZMc25uRyjVty3sr9GpFDwy=diUFjpCuX2quezW=Cw@mail.gmail.com
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On Wed, Sep 11, 2024 at 9:56 PM Alvaro Herrera <alvherre(at)alvh(dot)no-ip(dot)org> wrote:
> On 2024-Sep-10, Pecsök Ján wrote:
> > After upgrade of Posgres from version 13.5 to 16.2 we experience following error:
> > could not extend file "pg_tblspc/16401/PG_16_202307071/17820/3968302971" with FileFallocate(): No space left on device
> >
> > We cannot easily replicate problem. It happens at randomly every 1-2 weeks of intensive query computation.
> > Was there some changes in space allocation from Posgres 13.5 to Posgres 16.2?
> >
> > Database has size 91TB and has 27TB more space available.
>
> Yes, there were some changes in that area. I have a report from
> somebody running EPAS 16 which has a problem that looks pretty much the
> same as yours -- and the code is essentially identical. I gave them the
> attached patch, hoping that it would shed some light ... but so far,
> we've been unable to capture any useful intel.

What kernel version and file system are these running on (both cases)?

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