Re: Server stalls, all CPU 100% system time - Mailing list pgsql-performance

From Scott Marlowe
Subject Re: Server stalls, all CPU 100% system time
Date
Msg-id CAOR=d=2tjWoxpQrUHpJK1R+BtEvBv4buiVtX4Qf6we=MHmghxw@mail.gmail.com
Whole thread Raw
In response to Re: Server stalls, all CPU 100% system time  (Josh Berkus <josh@agliodbs.com>)
Responses Re: Server stalls, all CPU 100% system time  (Josh Berkus <josh@agliodbs.com>)
List pgsql-performance
On Tue, Feb 26, 2013 at 4:29 PM, Josh Berkus <josh@agliodbs.com> wrote:
> Andre,
>
> Please see the related thread on this list, "High CPU usage / load
> average after upgrading to Ubuntu 12.04".  You may be experiencing some
> of the same issues.  General perspective seems to be that kernels 3.0
> through 3.4 have serious performance issues.

Someone commented they think it might be related to this kernel bug:

https://lkml.org/lkml/2012/10/9/210


pgsql-performance by date:

Previous
From: "Carlo Stonebanks"
Date:
Subject: Re: Are bitmap index scans slow to start?
Next
From: Dmitry Karasik
Date:
Subject: seqscan on UNION'ed views