> Like the other poster said, we likely don't have enough to tell you > what's going on, but from what you've said here it sounds like you're > mostly just CPU bound. Assuming you're reading the output of vmstat > and top and other tools like that. Thanks. I used 'sadc' from the sysstat RPM (part of the sar suite) to collect data, and it does collect Vm and other data like that from top and vmstat. I did not see any irregular activity in those areas. I realise I did not give you all enough details, which is why I worded my question they way I did : "is there a general rule of thumb for running queue" -- “Don't eat anything you've ever seen advertised on TV” - Michael Pollan, author of "In Defense of Food" -- Sent via pgsql-performance mailing list (pgsql-performance@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance