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Data Bases > Informix > Re: CPU VP Issu...
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Re: CPU VP Issue

by "Floyd Wellershaus" <floyd@[EMAIL PROTECTED] > May 16, 2008 at 10:04 AM

Not a hundred percent sure, but theres a processor affinity setting that
may be forcing only one cpu.
Also, what threads are sitting ? Maybe the app is single threaded ?




----- Original Message -----
Subject: CPU VP Issue
Date: Thu, May 15, 2008 20:28
From: "tgirsch" <tgirsch@[EMAIL PROTECTED]
>
I've got a puzzling CPU VP issue that I'm hoping someone else here has
> dealt with.  I've got a dedicated database server running IDS 10.00.FC8
> on a four-core RHEL Opteron server.  We've configured four CPU VPs, one
> per core.  There are almost always five to six threads sitting on the
> ready queue, despite the fact that the system is generally > 60% idle
time.
>
> This sparks the age-old debate: add more CPU VPs than physical processor
> cores?  Or is there something incorrectly configured about the _current_
> setup that's causing my CPU VPs to do less than they should / yield too
> easily, etc.?
> _______________________________________________
> Informix-list mailing list
> Informix-list@[EMAIL PROTECTED]
> http://www.iiug.org/mailman/listinfo/informix-list
>
>
 




 2 Posts in Topic:
Re: CPU VP Issue
"Floyd Wellershaus&q  2008-05-16 10:04:34 
Re: CPU VP Issue
tgirsch <tgirsch@[EMAI  2008-05-16 18:50:40 

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tan12V112 Tue Dec 2 23:35:00 CST 2008.