[torqueusers] Difference Between Nodes and Nodesct

Si Hammond simon.hammond at gmail.com
Mon Feb 23 14:17:56 MST 2009


Hi Joshua,

Thanks this has really helped clear it up - some of our users were  
qsubbing' more than the available number of nodes!

Thanks again.


On 23 Feb 2009, at 21:15, Joshua Bernstein wrote:

> Hi Si,
>
> Si Hammond wrote:
>> Can I ask what the difference is between the following two  
>> statements please (I'm still not exactly clear on what the effect  
>> of these is!) -
>> set queue std resources_max.nodect = 64
>
> This statement allows you to override the detected default amount of  
> resources for a given queue, or even at the server level itself. Say  
> for example you wanted to over subscribe a set of nodes for some  
> reason.
>
>> set queue std resources_max.nodes = 32
>
> This is the maximum amount of the resource (nodes in this case) that  
> will be accepted by the queue. So if a user requests more then 32  
> nodes, the job will either be rejected by qsub, or passed along to  
> another queue.
>
> -Joshua Bernstein
> Software Engineer
> Penguin Computing

Si Hammond

Performance Modelling, Analysis and Optimisation Team
High Performance Systems Group
Department of Computer Science
University of Warwick, CV4 7AL, UK







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