Actually, I'm wrong.  That isn't the behavior I'm seeing (blocking due to
reserving the complex devel-short-medium-long-xlong).  Scratch that.

On Thu, Aug 30, 2012 at 8:20 PM, Brian Smith <[email protected]> wrote:

> I think that the devel-...-xlong parameters being consumable is causing
> unforeseen behavior with the way that reservations are working.  After some
> more testing and monitoring, I see that we're reaching our SLAs AND that
> larger parallel jobs are making it through the queue in a timely manner.
>  What I saw were jobs whose only commonality was requesting, say, medium,
> and hence 128 processor parallel job bound for free node set X blocked a
> job bound for node set Y.  Aside from a different strategy, all together, a
> complex that is requestable, consumable, but not reservable would solve
> this particular issue.  Is that even possible?
>
> -Brian
>
>
> On Thu, Aug 30, 2012 at 5:31 PM, Dave Love <[email protected]> wrote:
>
>> Brian Smith <[email protected]> writes:
>>
>> > I have a mix of high-throughput and long wait jobs.  We classify and
>> > prioritize jobs based on runtime.  We use a jsv to set
>> >
>> > devel  # job length < 1hr
>> > short  # job length < 6hr
>> > medium # job length < 2day
>> > long   # job length < 1wk
>> > xlong  # job length > 1wk (goes to ACLed queue)
>>
>> [I'm surprised it's worth the trouble if there's the opportunity for
>> backfilling, but fine if so.]
>>
>> > 8.1.1 has been fantastic, overall, so this is a fairly minor issue;
>> > mostly me trying to eek out a couple more percentage points of
>> > utilization :)
>>
>> Glad it's useful, but it does sound as if there's a problem with the
>> reservation somehow from what you've described.
>>
>> --
>> Community Grid Engine:  http://arc.liv.ac.uk/SGE/
>>
>
>
>
> --
> Brian Smith
> Sr. System Administrator
> Research Computing, University of South Florida
> 4202 E. Fowler Ave. SVC4010
> Office Phone: +1 813 974-1467
> Organization URL: http://rc.usf.edu
>
>


-- 
Brian Smith
Sr. System Administrator
Research Computing, University of South Florida
4202 E. Fowler Ave. SVC4010
Office Phone: +1 813 974-1467
Organization URL: http://rc.usf.edu
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