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

Bas van der Vlies basv at sara.nl
Fri Apr 3 02:11:40 MDT 2009


On Apr 2, 2009, at 6:38 PM, Tom Rudwick wrote:

> It's OK with me. I haven't had time to figure out how to do that.
>
is not that difficult. How is this paramatere called in moab, maybe we  
must use the same name ? or just PBSASYNCJOBSTART

regards

> 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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--
Bas van der Vlies
basv at sara.nl





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