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Re: what the initial 3 daemon of postmaster process do?

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: dh2002(dot)kim(at)samsung(dot)com
Cc: pgsql-admin(at)postgresql(dot)org
Subject: Re: what the initial 3 daemon of postmaster process do?
Date: 2004-03-22 16:38:30
Message-ID: 1569.1079973510@sss.pgh.pa.us (view raw or flat)
Thread:
Lists: pgsql-admin
Dohyung Kim <dh2002(dot)kim(at)samsung(dot)com> writes:
> 1. why 3 daemon processes start in its starting point
> 2. what the roles of each 3 daemon processes are

Postmaster, statistics collector, and statistics buffer process.

> 3. and how can I control the initial number of daemon process.

You can't (other than by choosing to disable statistics collection,
in which case the two stats processes won't run).

			regards, tom lane

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