[GE users] Definitions

Schmitz Dale M Contr 20 IS/INPG Dale.Schmitz at offutt.af.mil
Fri Apr 29 16:26:18 BST 2005


Thanks.  I need more background information on this.  Can you recommend
some reading?

-----Original Message-----
From: Daniel Templeton [mailto:Dan.Templeton at Sun.COM] 
Sent: Friday, April 29, 2005 10:13 AM
To: users at gridengine.sunsource.net
Subject: Re: [GE users] Definitions

The load threshhold is a way to keep a machine/queue from getting 
overloaded.  The value of the load_thresholds is a list of name=value 
pairs.  The names are the names of the complex value (see qconf -sc), 
and the values are the corresponding thresholds.  If the value of a 
complex goes beyond its threshold, the queue will stop accepting new
jobs.
By default, SGE has a load adjustment of 0.5.  (See qconf -ssconf)  The 
load adjustment is an amount of virtual CPU load that gets added to the 
np_load_avg with every job.  This can create an artificial job limit.

Daniel

Schmitz Dale M Contr 20 IS/INPG wrote:

> Can some one tell me what the load_threshold represents?  From the
text 
> I have impression that it's the most number of jobs that can be 
> submitted to a queue.  Also, the grid seems to limit CPU utilitzation
on 
> execution hosts, in our case to around 50%.  Is there a way to
increase 
> that?
> 
>  
> 
> Thanks,
> 
> Dale
> 


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