Re: postmaster vs. postgres

From: Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>
To: Christopher Kings-Lynne <chriskl(at)familyhealth(dot)com(dot)au>
Cc: Hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: postmaster vs. postgres
Date: 2002-01-09 06:07:34
Message-ID: 200201090607.g0967Yw21106@candle.pha.pa.us
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Christopher Kings-Lynne wrote:
> What is the difference between the postmaster binary and the postgres
> binary? Does the postmaster act as nothing more than a multiplexor for
> postgres processes or something?

The binaries are the same -- one is a symlink to the other. This allows
us to fork postgres children of the postmaster with no exec(). The
binary does read argv[0] and behaves differently depending on which
binary name it was called under.

--
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