[slurm-users] Partition Hold/Release

[Wagner, Marcus]

Hi Nicolas,


sorry to say, but we have no experience with preemption.


Best

Marcus


Am 14.03.2023 um 22:07 schrieb Nicolas Sonoda:
> Hi Marcus,
>
> Thank you very much for the response.
>
> I set the PriorityTier for my partitions and also set 
> PreemptType=preempt/partition_prio and PreemptMode=SUSPEND,GANG. But 
> the job in the low priority partition does not change it state to 
> SUSPEND. Have any idea?
>
> Following are some information:
>
> /slurm.conf:/
> /PreemptType=preempt/partition_prio
> PreemptMode=SUSPEND,GANG
> /
> /NodeName=n[24] Sockets=2 CoresPerSocket=24 ThreadsPerCore=1 
> RealMemory=185000 State=UNKNOWN
> /
> /PartitionName=test Nodes=n[24] Default=NO MaxTime=INFINITE State=UP 
> PriorityTier=300 PriorityJobFactor=100 OverSubscribe=FORCE 
> PreemptMode=off AllowGroups=teste
> PartitionName=test2 Nodes=n[24] Default=NO MaxTime=INFINITE State=UP 
> PriorityTier=20 PriorityJobFactor=1 OverSubscribe=FORCE 
> PreemptMode=suspend,gang AllowGroups=teste
> /
>
> /$ squeue -u vhpc/
> /             JOBID PARTITION NAME     USER ST       TIME  NODES 
> NODELIST(REASON)/
> /             46003      test test     vhpc PD       0:00      1 
> (Resources)/
> /             46002     test2    test2     vhpc  R       0:05      1 n24/
> /
> /
> Thank you,
> Nícolas
>
>
>
> ------------------------------------------------------------------------
> *De:* slurm-users em nome de Wagner, Marcus
> *Enviadas:* Terça-feira, 14 de Março de 2023 07:25
> *Para:* slurm-users at lists.schedmd.com
> *Assunto:* Re: [slurm-users] Partition Hold/Release
>
> Hi Nicolas,
>
>
> you could use the prioritytier for partitions:
>
>
>>        PriorityTier
>>               Jobs submitted to a partition with a higher 
>> PriorityTier value will be evaluated by the scheduler before pending 
>> jobs in a partition with a lower PriorityTier value.  They  will
>>               also  be  considered  for preemption of running jobs in 
>> partition(s) with lower PriorityTier values if 
>> PreemptType=preempt/partition_prio.  The value may not exceed 65533.  
>> Also
>>               see PriorityJobFactor.
>>
>
> Best
>
> Marcus
>
>
> Am 06.03.2023 um 19:33 schrieb Nicolas Sonoda:
>> Hi!
>>
>> Can I create a partition with a capacity of hold and release jobs 
>> when another partition jobs is submited? For example, the partition 
>> *one* and *two* can hold their jobs when some job of partition 
>> *three* is submited, and after this job completes the partition *one 
>> *and *two* releases their jobs again.
>>
>> Thank you.
>> Nícolas
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