[GE users] Resource Reservation Question

matbradford matthew.bradford at eds.com
Tue Feb 3 15:04:29 GMT 2009


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Roland,

The jobs currently running were all submitted with a default duration set at 480:0:0 which I think is 480 hours. Should the scheduler be able to handle this?

Cheers,

Mat

>-----Original Message-----
>From: Roland.Dittel at sun.com [mailto:Roland.Dittel at sun.com]
>Sent: 03 February 2009 14:34
>To: users at gridengine.sunsource.net
>Subject: Re: [GE users] Resource Reservation Question
>
>Mat,
>
>matbradford wrote:
>> Roland,
>>
>> Thanks for the idea. I gave it a go, by setting the job requesting
>reservation to 600seconds, but still no mention of RESERVING in the
>schedule file.
>
>The job requesting the reservation is one part, the second are the jobs
>currently running. If these jobs do not have a h_rt request and your
>default duration is INFINITY the resources used by these jobs are
>blocked for further reservations. You have to set the default_duration
>also to get a reservation.
>
>Best regards
>Roland
>
>
>>
>> Cheers,
>>
>> Mat
>>
>>> -----Original Message-----
>>> From: Roland.Dittel at sun.com [mailto:Roland.Dittel at sun.com]
>>> Sent: 03 February 2009 12:16
>>> To: users at gridengine.sunsource.net
>>> Subject: Re: [GE users] Resource Reservation Question
>>>
>>> Brad,
>>>
>>> since 6.2 the default_duration is set to INFINITY in the scheduler
>>> config. This means the scheduler assumes all jobs not requesting a
>>> runtime limit will run infinity and a queue instance with such a job
>>> will not be considered for reservation. This might be the reason why
>you
>>> don't see any reservations. Please tweak the default_duration or
>submit
>>> your jobs with '-l h_rt' and see if your job gets a reservation.
>>>
>>> Best regards
>>> Roland
>>>
>>> matbradford wrote:
>>>> Does anybody know of any issues with using Resource Reservation on a
>>>> large (>200 nodes) cluster, or with SGE6.2?
>>>>
>>>> We are using SGE 6.2, scheduling cycle is set to 60s, the max
>>>> reservation is set to 10, monitoring is on, and there is a single
>>> queue
>>>> for accepting parallel jobs. When I submit a parallel job with ??R
>y?
>>>> and push the job to the top of the pending queue, I cannot see any
>>>> ?RESERVING? messages in the schedule file. On another small cluster
>>>> using SGE6.0, I can see these ?RESERVING? messages.
>>>>
>>>> Any thoughts would be much appreciated.
>>>>
>>>> Cheers,
>>>>
>>>> Mat Bradford
>>>>
>>>
>>> --
>>> - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
>>> Roland Dittel               Tel: +49 (0)941 3075-275 (x60275)
>>> Software Engineering        Fax: +49 (0)941 3075-222 (x60222)
>>> Sun Microsystems GmbH
>>> Dr.-Leo-Ritter-Str. 7       mailto:roland.dittel at sun.com
>>> D-93049 Regensburg          http://www.sun.com/gridware
>>> - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
>>> Registered Office / Sitz der Gesellschaft:
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>>> Commercial register of the Local Court of Munich /
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>>>   HRB 161028
>>> Managing Directors / Geschaeftsfuehrer:
>>>   Thomas Schroeder, Wolfgang Engels, Dr. Roland Boemer
>>> Chairman of the Supervisory Board / Vorsitzender des Aufsichtsrates
>>>   Martin Haering
>>>
>>> ------------------------------------------------------
>>>
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>>>
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>>> unsubscribe at gridengine.sunsource.net].
>>
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>
>--
>- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
>Roland Dittel               Tel: +49 (0)941 3075-275 (x60275)
>Software Engineering        Fax: +49 (0)941 3075-222 (x60222)
>Sun Microsystems GmbH
>Dr.-Leo-Ritter-Str. 7       mailto:roland.dittel at sun.com
>D-93049 Regensburg          http://www.sun.com/gridware
>- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
>Registered Office / Sitz der Gesellschaft:
>   Sun Microsystems GmbH
>   Sonnenallee 1
>   D-85551 Kirchheim-Heimstetten
>   Germany
>Commercial register of the Local Court of Munich /
>Handelsregistereintrag Amtsgericht Muenchen:
>   HRB 161028
>Managing Directors / Geschaeftsfuehrer:
>   Thomas Schroeder, Wolfgang Engels, Dr. Roland Boemer
>Chairman of the Supervisory Board / Vorsitzender des Aufsichtsrates
>   Martin Haering
>
>------------------------------------------------------
>http://gridengine.sunsource.net/ds/viewMessage.do?dsForumId=38&dsMessage
>Id=101681
>
>To unsubscribe from this discussion, e-mail: [users-
>unsubscribe at gridengine.sunsource.net].

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