[mdlug] OT: Solaris 10 Priority Scheduling

[David Lane]

Yes there the other CPU's are idle. Yet we cant get the system to give a process more CPU resources, when nothing else is happening on the system.

David C. Lane

 



________________________________
From: Aaron Kulkis <akulkis00 at gmail.com>
To: MDLUG's Main discussion list <mdlug at mdlug.org>
Sent: Mon, June 7, 2010 11:01:21 AM
Subject: Re: [mdlug] OT: Solaris 10 Priority Scheduling

David Lane wrote:
> Hi, 
> 
> 
> We are facing a challenging issue.
> 
> We have performance issueson a multi CPU server. Our benchmark (sum of square-roots 1 - 1,000,000) runs 20 sec on a a multi cpu system. Yet it runs less than a sec on a single CPU system and on my desktop. 
> 
> When we found this we started to explore scheduling priorities.
> 
> If a process is running slow and needs to run faster on Solaris, what are odd options to tweek performance?
>  
> Where are SYS 60-99 processes assigned ?
> 
> David C. Lane

I assume that this is on a system with ample CPU idle time
and the I/O channels are not saturated?
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