[GE users] Queue based on loadavg

l_heck lydia.heck at durham.ac.uk
Tue Mar 30 16:54:37 BST 2010


Just to mention - there are also ladies on this list ;) !!

On Mon, 29 Mar 2010, dasf wrote:

> Gentlemen,
>
> Is is possible to create a queue in such a way that serial jobs will be assigned based on the load average of each node? I mean, each new job will start on nodes with the smallest load average.
>
> Let me explain why. I am working on a cluster with 80 nodes, each one having 4 processors.
> Users suggested me that if, say, 100 serial jobs are submitted, they should load all nodes first (80 jobs) and then start to load a second job on each node, instead of loading 4 jobs on 25 nodes and leaving 55 nodes free.
>
> I thought about creating queues with just one slot and sorting them in a way that they would load all nodes the way I want. But this sounds like a brute force approach. I wonder if there is a more elegant way of asking SGE to load jobs according to the load average of the compute nodes.
>
> Thank you in advance!
>
> Demetrio
>
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------------------------------------------
Dr E L  Heck

University of Durham
Institute for Computational Cosmology
Ogden Centre
Department of Physics
South Road

DURHAM, DH1 3LE
United Kingdom

e-mail: lydia.heck at durham.ac.uk

Tel.: + 44 191 - 334 3628
Fax.: + 44 191 - 334 3645
___________________________________________

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