Jette, Moe wrote on Tue, Feb 22, 2011 at 10:38:18AM -0800: > > See the Node's Weight parameter in man slurm.conf. > That can probably be used for what you want.
i have read that several times today and i don't see how i can apply that to what i want to do. since the weight is assigned to the node and that node could be in multiple partitions i would need a different weight per partition? > > Weight The priority of the node for scheduling purposes. All things > being equal, jobs will be > allocated the nodes with the lowest weight which satisfies > their requirements. For > example, a heterogeneous collection of nodes might be placed > into a single partition for > greater system utilization, responsiveness and capability. It > would be preferable to > allocate smaller memory nodes rather than larger memory nodes > if either will satisfy a > job's requirements. The units of weight are arbitrary, but > larger weights should be > assigned to nodes with more processors, memory, disk space, > higher processor speed, etc. > Note that if a job allocation request can not be satisfied > using the nodes with the low?$B!> > est weight, the set of nodes with the next lowest weight is > added to the set of nodes > under consideration for use (repeat as needed for higher weight > values). If you abso?$B!> > lutely want to minimize the number of higher weight nodes > allocated to a job (at a cost > of higher scheduling overhead), give each node a distinct > Weight value and they will be > added to the pool of nodes being considered for scheduling > individually. The default > value is 1. > > > ________________________________________ > From: [email protected] [[email protected]] On > Behalf Of Chris Scheller [[email protected]] > Sent: Tuesday, February 22, 2011 10:18 AM > To: slurm-dev > Subject: [slurm-dev] node ordering? > > is it possible to specify an order to job distribution to nodes that > are in more than one partition? for instance, i have 10 nodes and the > default partition is 1 through 10 but i want to add a new partition > that is 5 through 10 but i want the have jobs sent to the nodes in > reverse order, 10 through 5. i can get close with the ordering of > NodeName entries but not quite what i want. > > > -- > Chris Scheller > Unix System Administrator > Department of Biostatistics > School of Public Health > University of Michigan > Phone: (734) 615-7439 > Office: M4218 > > > -- Chris Scheller Unix System Administrator Department of Biostatistics School of Public Health University of Michigan Phone: (734) 615-7439 Office: M4218
