Le sam. 6 mai 2023 à 09:46, Peter J. Holzer <hjp-pg...@hjp.at> a écrit :

> On 2023-05-06 03:14:20 +0200, Marc Millas wrote:
> > postgres 14.2 on Linux redhat
> >
> > temp_file_limit set around 210 GB.
> >
> > a select request with 2 left join have crashed the server (oom killer)
> after
> > the postgres disk occupation did grow from 15TB to 16 TB.
>
> temp_file_limit limits the space a process may use on disk while the OOM
> killer gets activated when the system runs out of RAM. So these seem to
> be unrelated.
>
>         hp
>
Its clear that oom killer is triggered by RAM and temp_file is a disk
thing...
But the sudden growth of disk space usage and RAM did happen exactly at the
very same time, with only one user connected, and only one query running...

>
> --
>    _  | Peter J. Holzer    | Story must make more sense than reality.
> |_|_) |                    |
> | |   | h...@hjp.at         |    -- Charles Stross, "Creative writing
> __/   | http://www.hjp.at/ |       challenge!"
>

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