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

Yes, we are seeing higher system % on the CPU, not sure how to quantify in terms of % right now - will check into that tomorrow.
We were not checking the context switch numbers during our benchmark, will check that tomorrow as well.

-----Original Message-----
From: pgsql-performance-owner(at)postgresql(dot)org [mailto:pgsql-performance-owner(at)postgresql(dot)org] On Behalf Of Josh Berkus
Sent: Thursday, February 14, 2013 6:58 PM
To: pgsql-performance(at)postgresql(dot)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 scale factor of 3600.
> Yeah, maybe other people see similar load average, we were not sure.
> However, we saw a clear difference right after the upgrade.
> We are trying to determine whether it makes sense for us to go to 11.04 or maybe there is something here we are missing.

Well, I'm seeing a higher system % on CPU than I expect (around 15% on each core), and a MUCH higher context-switch than I expect (up to 500K).
Is that anything like you're seeing?

--
Josh Berkus
PostgreSQL Experts Inc.
http://pgexperts.com

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