Re: [PERFORM] High CPU usage / load average after upgrading to Ubuntu 12.04

2013-02-14 Thread Dan Kogan
, 2013 9:08 AM To: Dan Kogan Cc: pgsql-performance@postgresql.org Subject: Re: [PERFORM] High CPU usage / load average after upgrading to Ubuntu 12.04 On Tue, Feb 12, 2013 at 11:25 AM, Dan Kogan d...@iqtell.com wrote: Hello, We upgraded from Ubuntu 11.04 to Ubuntu 12.04 and almost immediately

Re: [PERFORM] High CPU usage / load average after upgrading to Ubuntu 12.04

2013-02-14 Thread Dan Kogan
On 02/13/2013 05:30 PM, Dan Kogan wrote: Just to be clear - I was describing the current situation in our production. We were running pgbench on different Ununtu versions today. I don’t have 12.04 setup at the moment, but I do have 12.10, which seems to be performing about the same as 12.04

Re: [PERFORM] High CPU usage / load average after upgrading to Ubuntu 12.04

2013-02-14 Thread Dan Kogan
...@postgresql.org [mailto:pgsql-performance-ow...@postgresql.org] On Behalf Of Josh Berkus Sent: Thursday, February 14, 2013 6:58 PM To: pgsql-performance@postgresql.org Subject: Re: [PERFORM] High CPU usage / load average after upgrading to Ubuntu 12.04 On 02/14/2013 12:41 PM, Dan Kogan wrote: We used

[PERFORM] High CPU usage / load average after upgrading to Ubuntu 12.04

2013-02-12 Thread Dan Kogan
Hello, We upgraded from Ubuntu 11.04 to Ubuntu 12.04 and almost immediately obeserved increased CPU usage and significantly higher load average on our database server. At the time we were on Postgres 9.0.5. We decided to upgrade to Postgres 9.2 to see if that resolves the issue, but

Re: [PERFORM] High CPU usage / load average after upgrading to Ubuntu 12.04

2013-02-12 Thread Dan Kogan
(or even tried) with the 9.0 jdbc driver against 9.2 server? Dan From: Eric Haertel [mailto:eric.haer...@groupon.com] Sent: Tuesday, February 12, 2013 12:52 PM To: Dan Kogan Cc: pgsql-performance@postgresql.org Subject: Re: [PERFORM] High CPU usage / load average after upgrading to Ubuntu 12.04

Re: [PERFORM] High CPU usage / load average after upgrading to Ubuntu 12.04

2013-02-12 Thread Dan Kogan
5:20 PM To: Dan Kogan; pgsql-performance@postgresql.org Subject: Re: [PERFORM] High CPU usage / load average after upgrading to Ubuntu 12.04 Hey Dan, If I recall correctly there were some discussions on here related to performance issues with the 3.2 kernel. I'm away at the moment so can't dig