[GE users] 6.2u4: resource reservation not working for some jobs

templedf dan.templeton at sun.com
Wed Feb 24 20:39:46 GMT 2010


The max_reservation is the maximum number of jobs whose reservations 
will be honored during a scheduling run.  If it's set to 1, then only 
the highest priority RR job will be allowed to reserve resources.  If 
it's set to 10, then the top 10 will be able to reserve resources.

Daniel

On 02/24/10 09:56, rems0 wrote:
> On 02/24/2010 05:39 PM, rems0 wrote:
>    
>> On 02/18/2010 03:02 PM, reuti wrote:
>>      
>>> Am 17.02.2010 um 18:52 schrieb rems0:
>>>
>>>        
>>>> On 01/11/2010 04:14 PM, ccaamad wrote:
>>>>          
>>>>> On Mon, 11 Jan 2010, reuti wrote:
>>>>> ...
>>>>>            
>>>>>> Did you set up any RQS?
>>>>>>              
>>>>> ...
>>>>>
>>>>> No, none :(
>>>>>
>>>>> Mark
>>>>>            
>>>> Did u get the resource reservation thing to work?
>>>> I am having a similar problem here on 6.2u5.
>>>>
>>>> Can you somehow check that resources are being reserved? Or do you
>>>> just
>>>> see that other jobs start occupying the requested resources?
>>>>
>>>> Is h_rt needed or is s_rt enough or is none of them needed for the job
>>>> setting "-R y" ?
>>>>          
>>> max_reservation in the scheduler configuration is not zero?
>>>
>>> The h_rt/s_rt is more of concern for the other jobs, whether they are
>>> eligible for backfilling or not.
>>>
>>> What is the default runtime? There is one issue:
>>>
>>> http://gridengine.sunsource.net/issues/show_bug.cgi?id=3212
>>>        
>> Sorry Reuti, I just saw your answer today!
>>
>> max_reservation                   20
>>      
> What does max_reservation really mean?
>
> from the sched_conf(5) man page:
> max_reservation   The  maximum  number  of  reservations  scheduled
> within a schedule interval.
>
> If max_reservation=N, does this mean I can submit as many jobs as I want
> asking for reservations, and that on each scheduler run only N will be
> "processed"? Or only N can be started on each scheduler run?
> What does it mean to "schedule" a reservation?
>
> Perhaps a stupid question, sorry for that.
> Just to clarify things.
>
> Thanks, Richard
>
>
>
>

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