Btw. It looks like this issue: http://archives.postgresql.org/pgsql-performance/2007-09/msg00374.php
In my case the CPU usage is low too (3%) but IO wait is high (95%). I'm using Postgresql 8.3. -- Sent via pgsql-general mailing list (pgsql-general@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general
