[gold-users] gold+preemption

Scott Jackson scott at clusterresources.com
Fri Nov 2 13:41:11 MDT 2007


I just talked to Moab development (this is a moab issue, not a gold
issue). Moab will charge according to the total walltime for the job
(like you said -- the total sum of all times the job was actively
running, not simply endtime - starttime).

As far as Moab not behaving as expected, you will need to submit this
issue to moab support.



On Wed, 2007-10-31 at 16:30 -0400, Brock Palen wrote:
> how does gold+moab handle preemption?  We would like the total debit  
> to equal the total runtime of all times a job has ran.  atleast for  
> the qos=preempt jobs.  We assume that jobs running under preemption  
> have checkpoint/restart and thus users should be debited for the full  
> runtime.  A quick test of a job that was left to ran for ~10 minutes  
> preempted with 'mjobctl -R 123456'  and allowed to restart then  
> having the job finish after only ~5 minutes showed a charge of 292  
> proc seconds (single cpu job)  We would like this to be ~10 
> +5minutes=900 proc seconds.
> Is it able to achieve this behavior?
> Brock Palen
> Center for Advanced Computing
> brockp at umich.edu
> (734)936-1985
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> gold-users at supercluster.org
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