[GE users] policy conflict ?

cjf001 john.foley at motorola.com
Sat Sep 5 00:05:51 BST 2009


Well, maybe....

I already have different sequence numbers on the queues.

How would your "b" suggestion "change the equation" ?

Why is the scheduler apparently "giving up" and skipping the
last few jobs ?  It is running out of time, or does it figure
that it will just keep running into errors ?


    Thanks !

      John


reuti wrote:

> Am 05.09.2009 um 00:43 schrieb cjf001:
> 
> 
>>Yes, at least some of them are. Is that a problem ? What
>>policy is this in conflict with ?
> 
> 
> SGE is just collecting slots from available queues - then it  
> discovers that the job would block itself. What you can try is:
> 
> a) use different sequence numbers for the primary and secondary queue
> 
> b) duplicate the PE and name it mpich1 and mpich2 or alike, attach  
> each to one and only one queue and request mpich* as pe
> 
> HTH - Reuti
> 
> 
> 
>>
>>I found some info about this at :
>>http://gridengine.sunsource.net/issues/show_bug.cgi?id=437
>>
>>Unfortunately, this says :
>>   "Extensive discussion of the topic can be found under
>>   http://gridengine.sunsource.net/servlets/BrowseList? 
>>list=users&by=thread&from=944"
>>
>>which sounds very promising, but that url is not found anymore.
>>
>>
>>   Thanks,
>>
>>      John
>>
>>
>>reuti wrote:
>>
>>>Am 05.09.2009 um 00:12 schrieb cjf001:
>>>
>>>
>>>
>>>>Guys, I've got a problem on SGE v6.2u2 that just showed up  
>>>>yesterday,
>>>>as far as I can tell - I'm getting the following in the qmaster's
>>>>messages file:
>>>>
>>>>09/04/2009 17:05:24|schedu|lxadml2|W|Jobs 12873 & 12873 dispatched
>>>>to master/subordinated queues
>>>>"primary at lxdel20.srl.css.mot.com"/"secondary at lxdel20.srl.css.mot.com 
>>>>".
>>>>Suspend on subordinate to occur in same scheduling
>>>>interval. Policy conflict!
>>>>
>>>>... this repeats with a few more jobs, and then ...
>>>>
>>>>09/04/2009 17:05:24|worker|lxadml2|W|Skipping remaining 7 orders
>>>
>>>
>>>Is it a parallel job which might get slots from both queues - the
>>>superordinated and subordinated - at the same time?
>>>
>>>-- Reuti
>>>
>>>
>>>
>>>>note that the two jobs mentioned are the same job number, but this
>>>>is not
>>>>always the case.
>>>>
>>>>
>>>>Any idea what's going on here ?  The problem this is causing is that
>>>>all the jobs are not getting assigned to a queue, even though there
>>>>are open resources. Also, the qstat listing shows many jobs with "0"
>>>>priority, apparently because they are being "skipped" and have never
>>>>been viewed yet by the scheduler.
>>>>
>>>>Any help from the programmers greatly appreciated ! I'll do some
>>>>searching
>>>>on "policy conflict" in the meantime.....
>>>>
>>>>     John
>>>>
>>>>
>>>>
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