From: Yaroslav Saburov <y.saburov@gmail.com>
To: Laurenz Albe <laurenz.albe@cybertec.at>
Cc: Tom Lane <tgl@sss.pgh.pa.us>
Cc: pgsql-docs@lists.postgresql.org
Subject: Re: 18.4. Managing Kernel Resources
Date: Mon, 13 Jul 2026 10:25:31 +0300
Message-ID: <4D8D93BD-4799-45BF-BDEF-184892B9C6D1@gmail.com> (raw)
In-Reply-To: <d3b72d56c2dad48c2bbb62eeaea014219cf0d853.camel@cybertec.at>
References: <d3b72d56c2dad48c2bbb62eeaea014219cf0d853.camel@cybertec.at>
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 лип. 2026 р. о 10:12 Laurenz Albe <laurenz.albe@cybertec.at> пише:
>
> On Sun, 2026-07-12 at 07:46 +0300, Yaroslav Saburov wrote:
>> postgres@sql:~$ cat /pgdatabase/data/postmaster.pid
>> 58
>> /pgdatabase/data
>> 1783830699
>> 5432
>> /var/run/postgresql
>> localhost
>> 24381256 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=/etc/postgresql/18/main/postgresql.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. It is a technical term.
>
> Yours,
> Laurenz Albe
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Subject: Re: 18.4. Managing Kernel Resources
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