Hi

>>>>> "TL" == Tom Lane <t...@sss.pgh.pa.us> writes:

TL> b...@openit.de (Julian v. Bock) writes:
>> I have the problem that on our servers it happens regularly under a
>> certain workload (several times per minute) that all backend
>> processes get a SIGUSR1 and spend several seconds in
>> ProcessCatchupEvent().

TL> This is fixed in 8.4 and up.
TL> http://archives.postgresql.org/pgsql-committers/2008-06/msg00227.php

Thanks for the quick reply.

TL> If you aren't willing to move off 8.3 you might be able to
TL> ameliorate the problem by reducing the volume of catalog changes,
TL> but that can be pretty hard if you're dependent on temp tables.

Upgrading to 8.4 or 9.0 is not possible at the moment but if it is only
catalog changes I can probably work around that.

Regards,
Julian v. Bock

-- 
Julian v. Bock               Projektleitung Software-Entwicklung
OpenIT GmbH                  Tel +49 211 239 577-0
In der Steele 33a-41         Fax +49 211 239 577-10
D-40599 Düsseldorf           http://www.openit.de
________________________________________________________________
HRB 38815 Amtsgericht Düsseldorf             USt-Id DE 812951861
Geschäftsführer: Oliver Haakert, Maurice Kemmann

-- 
Sent via pgsql-performance mailing list (pgsql-performance@postgresql.org)
To make changes to your subscription:
http://www.postgresql.org/mailpref/pgsql-performance

Reply via email to