[torqueusers] maui + torque job start rate

Tom Rudwick tomr at intrinsity.com
Wed Apr 1 09:24:14 MDT 2009


If you search the maui list archives for my asynchronous job start patch
you can increase that speed greatly.

Tom


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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