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From: Daniel Haensse <daniel.haensse@swissembedded.com>
To: pgsql-performance@postgresql.org
Subject: Background vacuum
Date: Thu, 10 May 2007 06:38:11 +0200
Message-ID: <4642A1B3.6030009@swissembedded.com> (raw)

Dear list,

I'm running postgres on a tomcat server. The vacuum is run every hour
(cronjob) which leads to a performance drop of the tomcat applications.
I played around with renice command and I think it is possible to reduce
this effect which a renice. The problem is how can I figure out the PID
of the postmaster performing the vacuum(automated)? Has anybody a nice
solution to change process priority? A shell script, maybe even for java?

best regards

Dani





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