From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
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To: | operationsengineer1(at)yahoo(dot)com |
Cc: | "pgsql-novice(at)postgresql(dot)org" <pgsql-novice(at)postgresql(dot)org> |
Subject: | Re: Multiple Postmasters (Linux) |
Date: | 2006-04-29 22:22:34 |
Message-ID: | 9663.1146349354@sss.pgh.pa.us |
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Lists: | pgsql-novice |
<operationsengineer1(at)yahoo(dot)com> writes:
> hi all, i'm looking at ksysguard and i notice that 4
> instances of postmaster are up and running.
> is this normal?
It's normal to have one postmaster process with three (or more) children, eg
tgl 603 0.0 0.3 39924 3576 ? S Apr26 0:00 postmaster -i -F
tgl 607 0.0 2.5 40060 26012 ? S Apr26 0:07 postgres: writer process
tgl 608 0.0 0.0 11936 708 ? S Apr26 0:00 postgres: stats buffer process
tgl 609 0.0 0.0 11172 916 ? S Apr26 0:00 postgres: stats collector process
If you're using a process-viewing tool that calls them all "postmaster",
get a better tool. Even plain old "ps" can do better than that.
(The above is "ps auxww" output.)
regards, tom lane
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