Hi,
Am 27.09.2011 um 12:53 schrieb Ben De Luca:
I have this scenario.
I have:
a low priority job A that requires a consumable resource called
license.
a high priority job B that requires the same consumable resource
called license.
A has checkpoint configuration, where it will checkpoint on job
suspend.
I on each computer I have two queues.
preempt.q,
notpreempt.q,
notpreempt.q has a preempt.q as a subordinate queue.
Job A is set to run in preempt.q , job B runs in notpreempt.q
Where I have an infinite number of the resource license. This happens.
A submit
A run on preempt.q@host1
B submit.
B run on notpreempt.q@host1.
A suspend
A requeues.
B competes.
A re runs on preempt.q@host1 and completes.
The way I understand it where I only have one license.
This happens.
A submit
A run on preempt.q@host1
B submit.
B runs on notpreempt.q@host1 once A completes and the license
resource becomes available.
Any suggestions on how to get the first behavior in the second
situation.
you will need an external co-.scheduler, which will suspend the A job
if it sees a B job waiting. SGE can't look ahead, which resources will
be available if certain jobs are suspended.
-- Reuti
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