On Fri, Dec 20, 2013 at 12:56:47AM +0400, Vasiliy I Ozerov wrote: > Good day! > > Sometimes ago we order new Dell (Dell PowerEdge T720 DX290) server, with this configuration: > > 1. 128 Gb DDR3 ECC RAM > 2. Dual Intel Xeon E5-2620 Hexa Core incl. Hyper-Thrreading Tecknology > 3. 2x 600Gb SSD With PERC H710 mini RAID 1 > > ... > > But we have a strange cpu usage by postgresql (LA about 4). But there is no a lot of requests or heavy requests. We use pgbouncer, so postgresql doesn’t accept connections from users, only from pgbouncer. And the number of active requests per second is about 5: > > ... > > I think it is some misconfiguration issue, so can you help me with some config/sysctl options for such server? > > Thank you! > Hi Vasiliy, I think this may not be a PostgreSQL related problem, but a BIOS configuration problem. Dell used to ship servers with the BIOS set for performance mode, i.e. 100% at all times, now they ship with more energy thrifty defaults. We had a similar problem and by setting the BIOS to performance mode and rebooting, the phantom load vanished. Regards, Ken -- Sent via pgsql-admin mailing list (pgsql-admin@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-admin
