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Managing Kernel Resources From: Laurenz Albe To: Yaroslav Saburov , Tom Lane Cc: pgsql-docs@lists.postgresql.org Date: Sun, 12 Jul 2026 09:12:51 +0200 In-Reply-To: <94B4FB0B-E609-4C8D-BEDA-5DE1755933DC@gmail.com> References: <3007907.1783797573@sss.pgh.pa.us> <94B4FB0B-E609-4C8D-BEDA-5DE1755933DC@gmail.com> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable User-Agent: Evolution 3.58.3 (3.58.3-1.fc43) MIME-Version: 1.0 List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Archived-At: Precedence: bulk On Sun, 2026-07-12 at 07:46 +0300, Yaroslav Saburov wrote: > postgres@sql:~$ cat /pgdatabase/data/postmaster.pid=C2=A0 > 58 > /pgdatabase/data > 1783830699 > 5432 > /var/run/postgresql > localhost > =C2=A024381256 =C2=A0 =C2=A0 =C2=A0 =C2=A0 0 > ready=C2=A0 =C2=A0 > postgres@sql:~$ ps 58 > =C2=A0 =C2=A0 PID TTY=C2=A0 =C2=A0 =C2=A0 STAT =C2=A0 TIME COMMAND > =C2=A0=C2=A0 =C2=A0 58 ?=C2=A0 =C2=A0 =C2=A0 =C2=A0 Ss =C2=A0 =C2=A0 0:00= /usr/lib/postgresql/18/bin/postgres -D /pgdatabase/data -c config_file=3D/= etc/postgresql/18/main/postgresql.conf >=20 > Show me process postmaster? You found it! "Postmaster" is not the name of the executable or the process title (any mo= re), it is just what we call that process. It is a technical term. Yours, Laurenz Albe