[Moabusers] moab not sleeping

[Brock Palen]

Is there a way to find out why moab decided to  keep going?  It  
happens so often and lasts for so long most the moab commands (mdiag  
showres etc) dont work.  If there is a problem with a job starting i  
want to know what job and why it cant start.

Brock Palen
Center for Advanced Computing
brockp at umich.edu
(734)936-1985


On Aug 16, 2006, at 11:06 AM, wightman wrote:

> Moab does not always take a break between iterations.  For  
> instance, if
> there is a job that is failing to start, Moab may push the next
> iteration to start early, and try starting the job again.  If TORQUE
> tells Moab that a new job has entered the queue Moab will normally
> schedule it immediately.
>
> If Moab is continually skipping its sleep cycle, and you can see Moab
> chewing up lots of CPU, then there may be an issue.
>
> - Douglas
>
> On Wed, 2006-08-16 at 10:26 -0400, Brock Palen wrote:
>> Ever so often we see moab go on a sprint and not sleep between
>> iterations. Below is a snip of a log
>>
>> 08/16 10:13:25 INFO:     total jobs selected in partition ALL: 28/28
>> 08/16 10:13:25 INFO:     iteration:  114   scheduling time:  1.046
>> seconds
>> 08/16 10:13:25 INFO:     current util[114]:  179/339 (52.80%)  PH:
>> 40.59%  active jobs: 182 of 210 (completed: 20563)
>> 08/16 10:13:25 ALERT:    node 'nyx180' sync from expected state
>> 'Idle' to state 'Running' at Wed Aug 16 10:13:24
>> 08/16 10:13:25 INFO:     scheduling complete.  sleeping 90 seconds
>> 08/16 10:13:25 INFO:     starting iteration 115 (loglevel=2)
>> 08/16 10:13:25 INFO:     PBS data updated for iteration 115
>> 08/16 10:13:25 INFO:     346 PBS resources detected on RM nyx
>> 08/16 10:13:25 INFO:     resources detected: 346
>> 08/16 10:13:25 INFO:     0 PBS classes/queues detected on RM nyx
>> 08/16 10:13:25 INFO:     queues detected: 0
>>
>> notice there is no time between sleeping for 90 seconds and starting
>> iteration 115.
>>
>>
>> Brock Palen
>> Center for Advanced Computing
>> brockp at umich.edu
>> (734)936-1985
>>
>>
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>
>
>