Message-ID: <c2a5a6287dc8a0677f44f5c4b7da294d50b32d7f.camel@cybertec.at>
Subject: Re: systemd[1]: postgresql-16.service: Killing process 25992
 (postgres) with signal SIGKILL.
From: Laurenz Albe <laurenz.albe@cybertec.at>
To: Gena Makhomed <makhomed@gmail.com>, pgsql-pkg-yum@lists.postgresql.org
Date: Mon, 26 Feb 2024 10:19:09 +0100
In-Reply-To: 
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References: <18361-1a3f843f5f6ce694@postgresql.org>
	 <CAKYxhBmpx8-ch_38EprbEMu3G3sYm=-eZUySLzW5xP3B1bexuw@mail.gmail.com>
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On Sun, 2024-02-25 at 10:50 +0200, Gena Makhomed wrote:
> Previously posted to pgsql-bugs mail list asBUG #18361, but as I understa=
nd later, this may not be the PostgreSQL bug itself, but it may be the rpm/=
yum/dnf packaging bug?
>=20
> Can you please help to fix this bug, or find a workaround?
>=20
> Because killing postgres via SIGKILL is not a good idea.
>=20
>=20
> ---------- Forwarded message ---------
> Bug reference:=C2=A0 =C2=A0 =C2=A0 18361
> PostgreSQL version: 16.2
> Operating system:=C2=A0 =C2=A0Rocky Linux release 9.3
>=20
> PostgreSQL 16.2 installed on the Rocky Linux release 9.3 server from
> official repository with official instruction from page
> https://www.postgresql.org/download/linux/redhat/
>=20
> when I execute command=20
>=20
> # systemctl stop postgresql-16.service ; systemctl status
> postgresql-16.service
>=20
> I see, what PostgreSQL 16.2 was killed by SIGKILL.
>=20
> this is a bug, as I understand, because database will be corrupted.
>=20
> Is it possible to fix this bug and stop killing PostgreSQL with signal
> SIGKILL ?
>=20
> Feb 24 12:47:19 postgres-16.example.net systemd[1]: Stopping PostgreSQL 1=
6 database server...
> Feb 24 12:47:19 postgres-16.example.net systemd[1]: postgresql-16.service=
: Killing process 26672 (postgres) with signal SIGKILL.
> Feb 24 12:47:19 postgres-16.example.net systemd[1]: postgresql-16.service=
: Deactivated successfully.
> Feb 24 12:47:19 postgres-16.example.net systemd[1]: Stopped PostgreSQL 16=
 database server.

Strange.  In my "postgresql-16.service", I find

  TimeoutStopSec=3D1h

which should make systemd wait for an hour after sending SIGTERM before it
uses SIGKILL.  Is your setting different?

> Please consider the environment before printing

Aww.  I would have liked to make a poster from it.

Yours,
Laurenz Albe