[GE users] The scheduler and machine assigning

Rayson Ho rayrayson at gmail.com
Thu May 17 16:12:00 BST 2007


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Or you can use the "queue_sort_method" to affect the scheduling order.

See sched_conf(5).

Rayson



On 5/17/07, Colin Thomas <Colin.Thomas at csr.com> wrote:
> We have just added a bunch of large (64bit 64G) 4 way dual core machines to
> our grid, which I have assigned 8 slots to each.
>
>
>
> Looking at the way the grid is using the resources though, it seems as
> likely to use an old machine as one of the new powerful machines.
>
>
>
> Looking at the cluster queues, the load_avg is displayed. One job on an 8
> cpu machine is reporting a similar load to a much less powerfull machine. My
> comprehension is that this load_avg is the thing deciding which machine gets
> the job.
>
>
>
> I notice in the admin guide that (page 25) a load_scaling part of qmon for a
> specific exec host. I assume that if I reduce these values for the powerfull
> machines , then they will appear more suitable for jobs from the scheduler.
> But on my exec host page this section is empty L
>
>
>
> If this the way to increase usage by the grid on these powerful machines,
> and if so how do I get to these variables.
>
>
>
> I look forward to your combined wisdom.
>
>
>
> Best regards
>
>
>
> /colin
>
>
>
>
>
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