Re: [slurm-users] Sharing a node with non-gres and gres jobs

[Daniel Letai]

Hi Peter, On 3/20/19 11:19 AM, Peter Steinbach wrote: [root@ernie /]# scontrol show node -dd g1 NodeName=g1 CoresPerSocket=4    CPUAlloc=3 CPUTot=4 CPULoad=N/A    AvailableFeatures=(null)    ActiveFeatures=(null)    Gres=gpu:titanxp:2    GresDrain=N/A    GresUsed=gpu:titanxp:0(IDX:N/A)    NodeAddr=127.0.0.1 NodeHostName=localhost Port=0 If the following is true    RealMemory=4000 AllocMem=4000 FreeMem=N/A Sockets=1 Boards=1 That is - all memory is allocated for the job, then I don't think any new job will enter, regardless of gres.    State=MIXED ThreadsPerCore=1 TmpDisk=0 Weight=1 Owner=N/A MCS_label=N/A    Partitions=gpu    BootTime=2019-03-18T10:14:18 SlurmdStartTime=2019-03-20T09:07:45    CfgTRES=cpu=4,mem=4000M,billing=4    AllocTRES=cpu=3,mem=4000M    CapWatts=n/a    CurrentWatts=0 LowestJoules=0 ConsumedJoules=0    ExtSensorsJoules=n/s ExtSensorsWatts=0 ExtSensorsTemp=n/s I now filled the 'cluster' with non-gres jobs and  I submitted a GPU job: