[torqueusers] create queue not counting in node job count

Thibault jujubre at wanadoo.fr
Wed Mar 30 09:32:54 MDT 2011


Ken,
And you can then limit the batch queue to the real number of slots per nodes?
thank you for your answer.
Thibault

On Wed, Mar 30, 2011 at 11:29 AM, Ken Nielson
<knielson at adaptivecomputing.com> wrote:
> Thibault,
>
> Right now TORQUE will not allow you to schedule a job without an execution slot. But remember you can set the value of a hosts np to a higher number than there are actual processors on a machine.
>
> For example in the $TORQUE_HOME/server_priv/nodes file you can do the following.
>
>    hosta np=50
>
> The value of np can be any value up to 32768. np does not = number of processors. It is merely a logical value that allows the administrator to set the number of execution slots available on each node.
>
> Let me know if you have any questions.
>
> Ken
>
>
> You get it!
> This job should be able to run without an (executive?) slot, but
> should be limited by the  queue configuration (set queue bs_runs
> max_running = 3).
> This is about jobs which use nearly no cpu time, but prevent sub-jobs
> requiring the full node to run. As this is a small cluster, it is
> quite annoying :(
> Thank you for your help
> Thibault
>
> On Wed, Mar 30, 2011 at 10:30 AM, Ken Nielson
> <knielson at adaptivecomputing.com> wrote:
>> Thibault
>>
>> I am not sure I understand what you are asking. Do you want to be able to schedule a job that does not require an execution slot? (i.e. a core on a node)
>>
>> Ken
>>
>> ----- Original Message -----
>> From: "Thibault" <jujubre at wanadoo.fr>
>> To: torqueusers at supercluster.org
>> Sent: Tuesday, March 29, 2011 1:53:00 PM
>> Subject: [torqueusers] create queue not counting in node job count
>>
>> Hello,
>> I would like to know if it is doable, and how to create a queue wich
>> does not occupy the slots on the nodes.
>> I mean  this queue should be able to continue even if no nodes are
>> free, and will not use any ppn on the node it will run.
>> Thank you
>> Thibault
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