[Mauiusers] Spreading jobs across empty nodes.

Paul Szczypka paul.szczypka at gmail.com
Fri Jul 30 16:26:35 MDT 2010


You probably want something like this in your maui.cfg:

NODEALLOCATIONPOLICY PRIORITY
NODECFG[DEFAULT] PRIORITYF='-1 * JOBCOUNT'

Which should at least mean that a node running one job does not receive the
next one.

P

On 30 July 2010 22:27, Lawrence Sorrillo <sorrillo at jlab.org> wrote:

> Hi:
>
> I am experiencing a problem like the following:
>
> We have a setup where 5 serial jobs are allowed on each node of 4 nodes
> (node1,node2,node3,node4). When Maui schedules jobs it files up each
> node's task allotment job in turn before
> moving to fill the other node.
>
> For example:  Lets suppose we have 20 jobs in the queue and all the
> nodes are free of any jobs.  Maui will fill up node1 with 5 jobs and
> ONLY then migrate to node2 which it
> fills up with another 5 jobs and then starts scheduling jobs on node3.
>
> I want to elicit a different behavior. I want Maui to spread jobs across
> each node. So that job1 is scheduled to node1, job2 is scheduled to
> node2.., job4 is scheduled to
> node4 and job5 is scheduled to node1 again. Hope you get the picture...
>
> Thanks in advance for your assistance,
> ~Lawrence
>
>
>
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