[Mauiusers] Re: [torqueusers] maui + torque job start rate

Tom Rudwick tomr at intrinsity.com
Thu Apr 2 10:38:20 MDT 2009


It's OK with me. I haven't had time to figure out how to do that.

Tom


Bas van der Vlies wrote:
>
> On Apr 1, 2009, at 5:24 PM, Tom Rudwick wrote:
>
>> If you search the maui list archives for my c job start patch
>> you can increase that speed greatly.
>>
>> Tom
>>
>>
>
> Tom,
>
>  Just a question.  Can we make it a maui option? So we can choose 
> asynchronous job start and the benefit is it will be applied to the 
> maui source ;-) So everybody can use it.
>
>
> Regards,
>
>> Stijn De Weirdt wrote:
>>> hi all,
>>>
>>> (this is a crosspost to both maui and torque users list)
>>>
>>> we are having issues with the job start rate using maui+torque. 
>>> starting
>>> a job takes on average 2 seconds, which is slow for what our users are
>>> dumping in our queues.
>>>
>>> with a job start i mean the following cycle
>>> 04/01 10:01:08 MRMJobStart(374900,Msg,SC)
>>> 04/01 10:01:08 MPBSJobStart(374900,gengar,Msg,SC)
>>> 04/01 10:01:08
>>> MPBSJobModify(374900,Resource_List,Resource,node088.gengar.gent.vsc)
>>> 04/01 10:01:10 MPBSJobModify(374900,Resource_List,Resource,1)
>>> 04/01 10:01:10 INFO:     job '374900' successfully started
>>> 04/01 10:01:10 INFO:     command sent to server
>>> 04/01 10:01:10 INFO:     response received from server
>>>
>>> i've already tried to follow the "large cluster" tuning tips to see if
>>> it helps, but no real result. (the only tip that might solve the
>>> problemn is the asyncstart option from moab ;). (we have a 200 node, 8
>>> core/node cluster (i actually don't think this is "large"))
>>>
>>> anyway, before i dig in the code looking for options, i'm wondering 
>>> what
>>> other people are seeing as minimal start time, so i know if it is
>>> possible at all.
>>>
>>> many thanks,
>>>
>>> stijn
>>>
>>
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>
> -- 
> Bas van der Vlies
> basv at sara.nl
>
>
>



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