[Halld-offline] can GlueX use idle cores at JLab?

[Sandy Philpott]

All,

Since a picture is worth a thousand words, here is the FY15 farm usage graph at the halfway point, to visualize my original idle cores message.  For reference, when the farm14 nodes were added in the fall the total farm core count reached ~4000.

Regards,
Sandy

>> -------- Forwarded Message --------
>> Subject: 	can GlueX use idle cores at JLab?
>> Date: 	Tue, 31 Mar 2015 11:52:19 -0400 (EDT)
>> From: 	Sandy Philpott <philpott at jlab.org>
>> To: 	halld-offline at jlab.org
>> CC: 	Heyes Graham <heyes at jlab.org> , Chip Watson <watson at jlab.org> , Mark Ito <marki at jlab.org> , David Lawrence <davidl at jlab.org>
>>
>> Hello GlueX,
>>
>> The newest Haswell farm14 nodes of 2400 cores at JLab have been mostly idle since their installation last fall. That's much of 1.7 M Haswell core-hours each month that are largely unused, or almost 5 M core hours of idle time so far.
>>
>> Could Hall D keep simulation jobs in the queue and running indefinitely, rather than just during times of the data challenges? Are there other jobs to run? Otherwise, many of the available computing cycles in the farm for Experimental Physics are falling on the floor rather than being used.
>>
>> Feedback and perspective welcome,
>> Sandy
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