[GE users] Reservations and calendar problem

reuti reuti at staff.uni-marburg.de
Wed Mar 10 20:20:20 GMT 2010


Am 10.03.2010 um 20:41 schrieb cru:

> Yes, we set a default request of '-l h_rt=00:01:00' forcing all  
> users to set the runtime for their jobs.

Then you could also make it a FORCED resource request in the complex  
configuration.

And the users are not requesting h_rt=999:99:99 or h_rt=INFINITY for  
simplicity?

What does `qstat -j <job_id>` usually say about such job's time  
requests?

-- Reuti


>
> Chris
>
> Dr Chris Rudge - Research Computing Services Manager
>
> IT Services, University of Leicester, LE1 7RH
> Tel: 0116 2522223
>
> Times Higher Education University of the year 2008/9
>
>
>> -----Original Message-----
>> From: reuti [mailto:reuti at staff.uni-marburg.de]
>> Sent: 10 March 2010 19:33
>> To: users at gridengine.sunsource.net
>> Subject: Re: [GE users] Reservations and calendar problem
>>
>> Am 10.03.2010 um 20:26 schrieb cru:
>>
>>> At the time there were approximately 300 single cpu jobs with a 4.5
>>> day runtime
>>
>> And this was requested with -l h_rt=108:0:0 ?
>>
>> -- Reuti
>>
>>
>>> - i.e. there would obviously be a gap on the system to run the 64
>>> cpu, 1 day, job well before the service period defined by the
>>> calendar which is 5 weeks away.
>>>
>>> The "schedule" file showed that every reservation created, even for
>>> serial jobs, was for after the service period.
>>>
>>> Chris
>>>
>>>>> What I discovered was that all of the reservations started at the
>>>>> end of
>>>>> the next service period which is still five weeks away. This was
>>>>> despite
>>>>> it being obvious from the state of what was running that there
>>>>> should be
>>>>> a suitable sized slot on the system within a few days. The stuck  
>>>>> 64
>>>>> cpu
>>>>> job also only requested 1 day of runtime so it would also complete
>>>>> before the next service day once started.
>>>>
>>>> which runtime was requested by the job which were already in the
>>>> system?
>>>>
>>>> -- Reuti
>>>>
>>>
>>>
>>> Dr Chris Rudge - Research Computing Services Manager
>>>
>>> IT Services, University of Leicester, LE1 7RH
>>> Tel: 0116 2522223
>>>
>>> Times Higher Education University of the year 2008/9
>>>
>>> ------------------------------------------------------
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