[gridengine users] "Packing" jobs on nodes

Dave Love d.love at liverpool.ac.uk
Tue Jun 7 13:22:02 UTC 2011


Reuti <reuti at staff.uni-marburg.de> writes:

>> Apologies for the confusion.  However, that doesn't deaql with
>> multi-level sorting on seqno and load.  In an inhomogeneous cluster,
>> you typically want to sort by seqno (node type) first.  At
>> least in that case, the second-level packing using slots for the load
>> doesn't work for us in the serial case either.  There's a
>> one-liner fix for the parallel case in the Univa repo, but I don't know
>> what's the problem in the serial case.
>
> To use "seqno" and as a second sort criteria "load" should work automatically. What behavior do you notice instead:
>
> - only sorted by "slots"?
>
> - only sorted by "seqno" ignoring the load? (Is it the same with the load_formula being np_load_avg or only with the consumable complex?)

Seqno seems to work, but with slots for the load, jobs seem to end up on
random hosts.  I don't know about with np_load_avg, though I guess its'
worth trying inverting that to pefer most loaded (which won't work too
wel with poorly-behaved jobs)

-- 
Excuse the typping -- I have a broken wrist



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