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From: Thomas Munro <thomas.munro@gmail.com>
Date: Thu, 12 Sep 2024 10:21:47 +1200
Message-ID: <CA+hUKGJwag2=Lw+h0tLNa9oG-ZvxfUMV+N_TzHJdzvrRKNRg_g@mail.gmail.com>
Subject: Re: Error:could not extend file " with FileFallocate(): No space left
 on device
To: Alvaro Herrera <alvherre@alvh.no-ip.org>
Cc: =?UTF-8?B?UGVjc8O2ayBKw6Fu?= <jan.pecsok@profinit.eu>, 
	"pgsql-general@lists.postgresql.org" <pgsql-general@lists.postgresql.org>, Andres Freund <andres@anarazel.de>
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I don't understand what ENOSPC has to do with the file descriptor
limits, but this person reported:

# touch test
touch: cannot touch =E2=80=98test=E2=80=99: No space left on device

https://serverfault.com/questions/746032/rsync-and-scp-failing-with-no-spac=
e-left-on-xfs-device

... with plenty of free space, and it went away with ulimit -Hn and
-Sn changes.  Huh?  Could this have failed in FileAcces() when trying
to re-open a vfd?