Re: Amazon EC2 CPU Utilization
Mike Bresnahan <mike.bresnahan@bestbuy.com>
From: Mike Bresnahan <mike.bresnahan@bestbuy.com>
To: pgsql-general@postgresql.org
Date: 2010-01-27T23:15:45Z
Lists: pgsql-bugs, pgsql-general
John R Pierce <pierce <at> hogranch.com> writes: > more likely, he's disk IO bound, but hard to say as that iostat output > only showed a couple 2 second slices of work. the first output, which > shows average since system startup, seems to show the system has had > relatively high average wait times of 100ms on the average, yet the > samples below only show 0, 2, 3mS await. I don't think the problem is disk I/O. The database easily fits in the available RAM (in fact there is a ton of RAM free) and iostat does not show a heavy load.