Re: postmaster.pid

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: harding(dot)ian(at)gmail(dot)com
Cc: pgsql-general <pgsql-general(at)postgresql(dot)org>
Subject: Re: postmaster.pid
Date: 2006-04-12 20:45:13
Message-ID: 4246.1144874713@sss.pgh.pa.us
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"Ian Harding" <harding(dot)ian(at)gmail(dot)com> writes:
> The docs state that postmaster.pid is "A lock file recording the
> current postmaster PID and shared memory segment ID (not present after
> postmaster shutdown"
> I never looked until now, but I see the number 5432001 where the pid
> should be, and the real pid is in /tmp/.s.PGSQL.5432.lock, along with
> the path to data.

Not sure which PG version you are looking at, but in recent releases the
PID is on the first line, the second line is the $PGDATA path, and the
third has a couple of values associated with shared memory.

regards, tom lane

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