Re: 18.4. Managing Kernel Resources

postgres(at)sql:~$ cat /pgdatabase/data/postmaster.pid
58
/pgdatabase/data
1783830699
5432
/var/run/postgresql
localhost
24381256 0
ready
postgres(at)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?

> 11 лип. 2026 р. о 22:19 Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> пише:
>
> PG Doc comments form <noreply(at)postgresql(dot)org> writes:
>> you continue to use the server process name as “postmaster”!!! way too many
>> times (find and replace it)
>
> This is intentional. See the Glossary [1]:
>
> Postmaster (process)
>
> The very first process of an instance. It starts and manages the
> auxiliary processes and creates backend processes on demand.
>
> The postmaster shares an executable file with the other processes,
> but it's still a distinct concept.
>
> regards, tom lane
>
> [1] https://www.postgresql.org/docs/current/glossary.html