RE: RE: 11g RedHat 5 and Hugepages
Date: Thu, 14 Oct 2010 00:12:14 -0400
I would not call it poorly written: keep in mind that it runs on a RAC cluster with a combined 576 cpu's, so it might give you some idea of the size :)
From: Greg Rahn [mailto:greg_at_structureddata.org] Sent: Wednesday, October 13, 2010 11:14 PM To: Crisler, Jon
Subject: Re: RE: 11g RedHat 5 and Hugepages
There may be issues with MTS but no where near the issues of having an application that needs 75k db connections. This must be one poorly written application.
I can't imagine how much CPU the dispatchers would burn for that many connections.
On Wed, Oct 13, 2010 at 8:32 AM, Crisler, Jon <Jon.Crisler_at_usi.com> wrote:
> Possibly- there are issues with MTS and they want enough headroom so that
> they can run without MTS and possibly connection pooling tuned very
> conservatively on the app host side. On the current, undersized
> configuration, they have already seen 75,000 connections at peak periods.
-- Regards, Greg Rahn http://structureddata.org -- http://www.freelists.org/webpage/oracle-lReceived on Wed Oct 13 2010 - 23:12:14 CDT