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Managing Kernel Resources Date: Mon, 13 Jul 2026 10:25:31 +0300 Message-Id: <4D8D93BD-4799-45BF-BDEF-184892B9C6D1@gmail.com> References: Cc: Tom Lane , pgsql-docs@lists.postgresql.org In-Reply-To: To: Laurenz Albe X-Mailer: iPhone Mail (19H422) List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Archived-At: Precedence: bulk --Apple-Mail-DB79DCEF-7253-463C-B029-9BBF13F801AA Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable You're wrong. Let's take a look: Section 18.3.1 > HINT: Is another postmaster already running on port 5432? > What is the name of the process used here? 12 =D0=BB=D0=B8=D0=BF. 2026 =D1= =80. =D0=BE 10:12 Laurenz Albe =D0=BF=D0=B8=D1=88= =D0=B5: >=20 > =EF=BB=BFOn Sun, 2026-07-12 at 07:46 +0300, Yaroslav Saburov wrote: >> postgres@sql:~$ cat /pgdatabase/data/postmaster.pid=20 >> 58 >> /pgdatabase/data >> 1783830699 >> 5432 >> /var/run/postgresql >> localhost >> 24381256 0 >> ready =20 >> postgres@sql:~$ ps 58 >> PID TTY STAT TIME COMMAND >> 58 ? Ss 0:00 /usr/lib/postgresql/18/bin/postgres -D /pgda= tabase/data -c config_file=3D/etc/postgresql/18/main/postgresql.conf >>=20 >> Show me process postmaster? >=20 > You found it! >=20 > "Postmaster" is not the name of the executable or the process title (any m= ore), > it is just what we call that process. It is a technical term. >=20 > Yours, > Laurenz Albe --Apple-Mail-DB79DCEF-7253-463C-B029-9BBF13F801AA Content-Type: text/html; charset=utf-8 Content-Transfer-Encoding: quoted-printable

You're wrong.


Let's take a look:


Section 18.3.1


> HINT:  Is another postmaster already ru= nning on port 5432?


What is the name of the process used here? 12 =D0=BB=D0=B8=D0=BF. 2026 =D1=80. =D0=BE 10:12 Laurenz Albe <lau= renz.albe@cybertec.at> =D0=BF=D0=B8=D1=88=D0=B5:

=EF=BB=BFOn Sun, 2026-07-= 12 at 07:46 +0300, Yaroslav Saburov wrote:
postgres@sql:~$ cat /pgdatabase/data/postmaster.pid 
58
/pgdatabase/data
1783830699
5432
/va= r/run/postgresql
loca= lhost
 24381256 &= nbsp;       0
ready   
= postgres@sql:~$ ps 58
    PID TTY      STAT   TIME COMMAND
     58 ?=         Ss     0:00 /usr/lib/postgresql/18/bin= /postgres -D /pgdatabase/data -c config_file=3D/etc/postgresql/18/main/postg= resql.conf
Show me process postmaster?

You found it!

"Postmaster" is not the name of the executable or the process= title (any more),
it is just what we call that process. &nb= sp;It is a technical term.

Yours,Laurenz Albe
= --Apple-Mail-DB79DCEF-7253-463C-B029-9BBF13F801AA--