RE: RE: 11g RedHat 5 and Hugepages

  • From: "Crisler, Jon" <Jon.Crisler@xxxxxxx>
  • To: "Greg Rahn" <greg@xxxxxxxxxxxxxxxxxx>
  • 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 :)

-----Original Message-----
From: Greg Rahn [mailto:greg@xxxxxxxxxxxxxxxxxx] 
Sent: Wednesday, October 13, 2010 11:14 PM
To: Crisler, Jon
Cc: Oracle-L@xxxxxxxxxxxxx
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

On Wed, Oct 13, 2010 at 8:32 AM, Crisler, Jon <Jon.Crisler@xxxxxxx> 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.

Greg Rahn

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