On 07/02/2015 08:41 AM, eudald_v wrote: > And this is how it looks like when the spike happens: > http://pastebin.com/2hAYuDZ5 Hmm, those incredibly high system % indicate that there's something wrong with your system. If you're not using software RAID or ZFS, you should never see that. I think you have a driver, kernel, Linux memory management, or IO stack issue. -- Josh Berkus PostgreSQL Experts Inc. http://pgexperts.com -- Sent via pgsql-performance mailing list (pgsql-performance@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance
