> First of all, what are the average size of these jobs? Are they single > node jobs, or is there a good mix between parallel and single node > jobs? A parallel job will take a bit longer to start-up due to the > sisters needing to be contacted by the mother superior, etc. > the issue is only a real problem for single slot jobs.
> Yeah, Moab's ASYNCSTART option really does help. There are a few other > options that can also give a speed boost. In our best tests, Moab & > TORQUE can start 50 jobs/sec. I haven't tried the same benchmark with > Maui. I'll look through my benchmark setup to see if there are more > options/tweaks that Maui can take advantage of. excellent. looking forward to that. many thanks, stijn > > Josh Butikofer > Cluster Resources, Inc. > ############################# > > ----- "Stijn De Weirdt" <[email protected]> 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 > > -- > > The system will shutdown in 5 minutes. > > > > _______________________________________________ > > torqueusers mailing list > > [email protected] > > http://www.supercluster.org/mailman/listinfo/torqueusers -- The system will shutdown in 5 minutes. _______________________________________________ mauiusers mailing list [email protected] http://www.supercluster.org/mailman/listinfo/mauiusers
