[GE users] Wrong number of CPU showing in SGE 6

Lönroth Erik erik.lonroth at scania.com
Tue Jun 5 09:12:42 BST 2007


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I'm confused on this.

* Lets say I set execution-host "node0" to have only 1 slot.
* "node0" is a member of "first.q" and "second.q" - having #slots=1.

"node0" will get 2 processes executing or?

/Erik



-----Original Message-----
From: Wilfred Li [mailto:wilfred at sdsc.edu] 
Sent: den 4 juni 2007 22:42
To: users at gridengine.sunsource.net; Ken Tang; lukacm at pdx.edu 
Subject: RE: [GE users] Wrong number of CPU showing in SGE 6


Yes, you can modify the number of slots on each host using qconf.

Typically Rocks can detect the number of CPU's on each host, based on the information supplied by BIOS.

Regards,
 
Wilfred
 
 

-----Original Message-----
From: lukacm at pdx.edu [mailto:lukacm at pdx.edu] 
Sent: Monday, June 04, 2007 1:15 PM
To: users at gridengine.sunsource.net; Ken Tang
Subject: Re: [GE users] Wrong number of CPU showing in SGE 6

Hello,


yes this allows to specify the general info for all nodes. My question  
was more about a mixed queue such as 2 nodes with 2 cpu's each and 2  
nodes with 4 cpu's each. Is it possible to specify that the first two  
nodes only have 2 and the later ones have 4 cpus?

thank you

martin

Quoting Ken Tang <kentang at berkeley.edu>:

> I believe you can use qconf to modify the queue, which specifies the # 
> of slots (cpu) in each host.  For example, qconf -mq queuename
>
> Perhaps you should double check your systems to make sure that SMP is 
> enabled in the kernel that you are using. uname -a
> cat /proc/cpuinfo
>
> lukacm at pdx.edu wrote:
>> Hello,
>>
>> i was adding new nodes to rocks cluster managed by SGE v6 but all of 
>> them appear to have only one CPU despite the fact that most of the 
>> have 2 or 4 CPU's?
>>
>> is there a way how to set the number of CPU per node?
>>
>> than kyou
>>
>> martin
>>
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