--- On Tue, 9/9/08, Markova, Nina <[EMAIL PROTECTED]> wrote:
> From: Markova, Nina <[EMAIL PROTECTED]>
> Subject: [GENERAL] 3 postgres processes
> To: pgsql-general@postgresql.org
> Date: Tuesday, September 9, 2008, 2:50 PM
> Hi,
>
> After issuning initdb and starting the postgres server, I
> checked for processes running, expecting to see just one:
>
> postgres 4926 4924 0 14:44:52 ? 0:00
> /usr/postgres/8.2/bin/postgres
> postgres 4924 1 0 14:44:52 pts/1 0:00
> /usr/postgres/8.2/bin/postgres
> postgres 4929 4850 0 14:44:56 pts/1 0:00 grep
> postgres
> postgres 4928 4850 0 14:44:56 pts/1 0:00 ps -ef
> postgres 4927 4924 0 14:44:52 ? 0:00
> /usr/postgres/8.2/bin/postgres
>
>
> Only one of them is in postmaster.pid. What the other ones
> are for?
>
> more /pg_data/postmaster.pid
> 4924
> /pg_data
> 5432001 31
>
>
> Thanks,
>
use ps auxw to see more details of the process
i think the processes are one of this
writer process
wal writer process
autovacuum launcher process
stats collector process
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