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From: Jeff Davis <pgsql@j-davis.com>
To: Dimi Paun <dimi@lattica.com>
Cc: pgsql-performance@postgresql.org
Subject: Re: What is postmaster doing?
Date: Wed, 20 Oct 2010 12:59:41 -0700
Message-ID: <1287604781.28384.50.camel@jdavis-ux.asterdata.local> (raw)
In-Reply-To: <1287600255.18151.58.camel@dimi.lattica.com>
References: <1287600255.18151.58.camel@dimi.lattica.com>

On Wed, 2010-10-20 at 14:44 -0400, Dimi Paun wrote:
> 23425 postgres  20   0 22008  10m  10m R 99.9  0.5  21:45.87 postmaster
> 
> I'd like to figure out what it is doing. How can I figure out what
> statement causes the problem? 
> 

It seems strange that the postmaster is eating 99% cpu. Is there a
chance that it's flooded with connection attempts?

Usually the work is done by backend processes, not the postmaster. The
postmaster just does some management like accepting connections and
starting new processes.

Regards,
	Jeff Davis




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