[Mauiusers] Re: maui not schedulling jobs in avaliable resources

Brian Christiansen bchristiansen at clusterresources.com
Mon Feb 23 08:17:50 MST 2009

Checkout the parameter RESERVATIONDEPTH. I believe it is already doing 
what you are wanting to do. By default maui only creates one priority 
reservation. This can be changed with the RESERVATIONDEPTH parameter.



Brian Christiansen

Roy Dragseth wrote:
> Hi,
> I think I've got the solution coded now.  By introducing a new config 
> parameter, IDLEJOBDEPTH, one can get maui to continue to parse down the idle 
> job chain until it reaches the IDLEJOBDEPTH limit.  The default value is 1 to 
> preserve the current behaviour of maui or else the patch will not be accepted 
> by CR.  My plan is to use this in combination with a per user based MAXIJOB to 
> prevent single users from flooding the queue.  If you set IDLEJOBDEPTH to the 
> total number of job slots in your cluster you should be able to fill the 
> available job slots within a reasonably few iterations.
> It's not the optimal solution, one should perhaps introduce some logic that 
> understands why some jobs might be idle while others further down the chain 
> can run, but given the potential complexity introduced by combining classes, 
> standing reservations and node features I'm not clever enough to figure out 
> how.
> I'll submit a patch against v3.2.6p21 to bugzilla for review by CR  as soon as 
> its up and running again, I get this error right now
> Software error:
> The ./data/params file does not exist. You probably need to run checksetup.pl. 
> at Bugzilla/Config.pm line 333.
> Compilation failed in require at /var/www/html/cri/bugzilla/index.cgi line 34.
> BEGIN failed--compilation aborted at /var/www/html/cri/bugzilla/index.cgi line 
> 34.
>  For help, please send mail to the webmaster (webmaster at clusterresources.com), 
> giving this error message and the time and date of the error.
> If you cannot wait for bugzilla send me a note and I'll send it to you 
> personally.
> r.
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