[GE users] Queue configuration

Noé Vázquez González nvazquezg at gmail.com
Wed May 14 21:01:23 BST 2008


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Hi,

I'm still trying to set up the queues without success :(

I want to run a job only if there are enough free cpus on a single host,
just waiting if there aren't enough free cpus on a single node.

Any hints?

Thanks

Noé

2008/5/7 Erik Soyez <E.Soyez at science-computing.de>:

> Good Morning Noé,
>
> a PE "allocation_rule" of "$fill_up" should almost do the job.
> But if there was, for example, one host with 8 free cpus and
> some load and two hosts with 4 free cpus each and no load the
> job would spread over the two hosts with lower load - I think.
>
> To be sure:  Set up two queues smp and dmp, give the smp queue
> a lower sequence number, configure seqno as sort_method, add the
> two PEs pe_smp and pe_dmp to the corresponding queues and make
> their allocation_rules $pe_slots and $_fill_up respectively.
>
> Qsub your job with "-pe pe_\* 8".
>
> Erik Soyez.
>
>
>
> On Tue, 6 May 2008, Noé Vázquez González wrote:
>
>  Hi All,
>>
>> Is it possible to set up a parallel queue as follows?
>>  - If a node has enough free cpus for the job, run it on that node.
>>  - If there isn't a node with enough free cpus, spread the job between the
>> nodes as usual.
>>
>> For example, a parallel job that requires 8 cpus, if there is a node with
>> 8
>> free cpus asign the job to 8 cpus of that node. If there isn't 8 cpus
>> avaliable on the same node, spread the job between other nodes as usual
>> depending on their load (4 4, 2 2 2 2, etc.)
>>
>> Thanks.
>>
>> Noé
>>
>
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