Hello, Is it possible to grant a user priority on X cores? For example, we have a small 768 core SLURM cluster, and we would like to give user A priority on only 512 cores. I am currently using QOS to give specific users priority on all cores, but I do not know how specify priority on X cores.
Here's my slurm.conf file: ClusterName="aci" ControlMachine=aci-service-1 BackupController=aci-service-2 SlurmUser=slurm SlurmctldPort=6817 SlurmdPort=6818 AuthType=auth/munge StateSaveLocation=/tmp/slurmstate SlurmdSpoolDir=/tmp/slurmd SwitchType=switch/none MpiDefault=none MpiParams=ports=12000-13999 SlurmctldPidFile=/var/run/slurmctld.pid SlurmdPidFile=/var/run/slurmd.pid ProctrackType=proctrack/pgid CacheGroups=0 ReturnToService=0 PropagateResourceLimitsExcept=MEMLOCK,NOFILE UsePAM=1 SlurmctldTimeout=120 SlurmdTimeout=300 InactiveLimit=0 MinJobAge=300 KillWait=30 Waittime=0 SchedulerType=sched/backfill SelectType=select/cons_res SelectTypeParameters=CR_Core FastSchedule=1 PriorityType=priority/multifactor PriorityWeightQOS=1 PreemptType=preempt/qos PreemptMode=cancel SlurmctldDebug=4 SlurmctldLogFile=/var/log/slurm/slurmctld.log SlurmdDebug=4 SlurmdLogFile=/var/log/slurm/slurmd.log JobCompType=jobcomp/none AccountingStorageType=accounting_storage/slurmdbd AccountingStorageHost=aci-service-1 AccountingStorageLoc=slurm_acct_db JobAcctGatherType=jobacct_gather/linux JobAcctGatherFrequency=30 NodeName=aci-[001-048] Sockets=2 CoresPerSocket=8 ThreadsPerCore=1 CPUs=16 State=UNKNOWN PartitionName=aci Nodes=aci-[001-048] Default=YES MaxTime=INFINITE State=UP [root ~]# sacctmgr -p list qos Name|Priority|GraceTime|Preempt|PreemptMode|Flags|UsageThres|UsageFactor|... normal|0|00:00:00|low|cluster|||1.000000||||||||||||||||| low|0|00:00:00||cancel|||1.000000||||||||||||||||| If it matters, all of the machines in this cluster are running Scientific Linux 6.3 and running SLURM version 2.5.1. Any help is greatly appreciated. Thanks, Neil Van Lysel Center for High Throughput Computing University of Wisconsin - Madison [email protected]
