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<p class="MsoNormal"><span style="color:#1F497D">Hi <o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D">Thanks for your reply. I enabled both of them but still the oldest job gets suspended. Here is my slurm.conf if you can see something I can’t.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D"> 0 MpiDefault=none<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D"> 1 ProctrackType=proctrack/linuxproc<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D"> 2 ReturnToService=1<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D"> 3 SlurmctldPidFile=/var/run/slurmctld.pid<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D"> 4 SlurmdPidFile=/var/run/slurmd.pid<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D"> </span><span lang="NO-BOK" style="color:#1F497D">5 SlurmdSpoolDir=/var/spool/slurmd<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="NO-BOK" style="color:#1F497D"> 6 SlurmUser=slurm<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="NO-BOK" style="color:#1F497D"> </span><span lang="EN-US" style="color:#1F497D">7 StateSaveLocation=/var/spool/slurmSave<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D"> 8 SwitchType=switch/none<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D"> 9 TaskPlugin=task/affinity<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D">10 # # SCHEDULING<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D">11 FastSchedule=1<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D">12 SchedulerType=sched/builtin<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D">13 SchedulerParameters=preempt_youngest_first,preempt_strict_order<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D">14 PriorityType=priority/multifactor<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D">15<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D">16 SelectType=select/cons_res<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D">17 SelectTypeParameters=CR_CPU_Memory<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D">18 DefMemPerCPU=1000<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D">19 PreemptType=preempt/partition_prio<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D">20 PreemptMode=suspend,gang<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D">21 SlurmctldParameters=preempt_send_user_signal<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D">22<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D">23 JobSubmitPlugins=lua<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D">24 # # LOGGING AND ACCOUNTING<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D">25 AccountingStorageHost=localhost<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D">26 AccountingStorageType=accounting_storage/slurmdbd<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D">27 ClusterName=simulation<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D">28 # #JobAcctGatherFrequency=30<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D">29 JobAcctGatherType=jobacct_gather/linux<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D">30 SlurmctldLogFile=/var/log/slurmLog/slurmctld.log<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D">31 SlurmdLogFile=/var/log/slurmLog/slurmd.log<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D">32 JobCompType=jobcomp/filetxt<o:p></o:p></span></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt;line-height:11.0pt"><span lang="EN-US" style="color:#1F497D;mso-fareast-language:SV"># # COMPUTE NODES<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-bottom:12.0pt;line-height:11.0pt"><span lang="EN-US" style="color:#1F497D;mso-fareast-language:SV">33 NodeName=localhost CPUs=2 CoresPerSocket=1 ThreadsPerCore=1 State=UNKNOWN RealMemory=7500<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-bottom:12.0pt;line-height:11.0pt"><span lang="EN-US" style="color:#1F497D;mso-fareast-language:SV">34 PartitionName=DEFAULT Nodes=localhost PreemptMode=suspend OverSubscribe=FORCE:1 Shared=FORCE:1 MaxTime=INF INITE State=UP<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-bottom:12.0pt;line-height:11.0pt"><span lang="EN-US" style="color:#1F497D;mso-fareast-language:SV">36 PartitionName=LowPrio Default=YES PriorityTier=1 PreemptMode=requeue<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-bottom:12.0pt;line-height:11.0pt"><span lang="EN-US" style="color:#1F497D;mso-fareast-language:SV">37 PartitionName=HighPrio MaxTime=240 PriorityTier=2 PreemptMode=suspend Default=NO<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-bottom:12.0pt;line-height:11.0pt"><span lang="EN-US" style="color:#1F497D;mso-fareast-language:SV">38 PartitionName=Express MaxTime=30 PriorityTier=3 PreemptMode=off Default=NO<br>
<br>
<o:p></o:p></span></p>
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<p class="MsoNormal" style="line-height:10.0pt"><b><span lang="EN-US" style="font-size:10.0pt;color:black;mso-fareast-language:SV">Oytun Peksel</span></b><span lang="EN-US" style="font-size:10.0pt;color:black;mso-fareast-language:SV"><o:p></o:p></span></p>
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<p class="MsoNormal" style="mso-line-height-alt:10.0pt"><a href="mailto:oytun.peksel@semcon.com"><span lang="EN-US" style="font-size:10.0pt;color:black;mso-fareast-language:SV">oytun.peksel@semcon.com
</span></a><span lang="EN-US" style="font-size:10.0pt;color:black;mso-fareast-language:SV"><o:p></o:p></span></p>
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<p class="MsoNormal" style="line-height:10.0pt"><span lang="EN-US" style="font-size:10.0pt;color:black;mso-fareast-language:SV">+46739205917<o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span lang="EN-US" style="mso-fareast-language:SV">From:</span></b><span lang="EN-US" style="mso-fareast-language:SV"> slurm-users <slurm-users-bounces@lists.schedmd.com>
<b>On Behalf Of </b>Paul Edmon<br>
<b>Sent:</b> den 25 oktober 2019 16:16<br>
<b>To:</b> slurm-users@lists.schedmd.com<br>
<b>Subject:</b> Re: [slurm-users] Preemption Priority<o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p><span lang="EN-US">You might want to look at these options for SchedulerParamtesr:</span><span lang="EN-US" style="font-size:12.0pt;mso-fareast-language:SV"><o:p></o:p></span></p>
<p class="MsoNormal"><b><span lang="EN-US">preempt_strict_order</span></b><span lang="EN-US"><o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:36.0pt"><span lang="EN-US">If set, then execute extra logic in an attempt to preempt only the lowest priority jobs. It may be desirable to set this configuration parameter when there are multiple priorities of preemptable
jobs. The logic to support this option is only available in the select/cons_res and select/cons_tres plugins.
<o:p></o:p></span></p>
<p class="MsoNormal"><b><span lang="EN-US">preempt_youngest_first</span></b><span lang="EN-US"><o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:36.0pt"><span lang="EN-US">If set, then the preemption sorting algorithm will be changed to sort by the job start times to favor preempting younger jobs over older. (Requires preempt/partition_prio or preempt/qos plugins.)
<o:p></o:p></span></p>
<p><span lang="EN-US">-Paul Edmon-<o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US">On 10/25/19 7:21 AM, Oytun Peksel wrote:<o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US">Hi,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> <o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Let’s say I have two partitions assigned to the same single load in the cluster.
<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">LowPrio with PreemptMode=suspend Priority=1<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">HighPrio with PreemtMode=off Priority=5<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> <o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">I have 4 identical jobs requiring 1/2 of resources in the cluster. So only 2 jobs can run at the same time.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">I queue up two of these jobs to LowPrio partition one after the other. Let’s say one have jobid=10 and the next one has jobd=11<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> <o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Then I queue up a third job to HighPrio partition. One of the LowPrio jobs immediately get suspended.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> <o:p></o:p></span></p>
<p class="MsoNormal"><b><span lang="EN-US">Q1. How can I make sure the one submitted latest(jobid=11 in this case) gets suspended and not jobid=10?</span></b><span lang="EN-US"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> <o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Then before any job is finished I submit the final job to LowPrio partition.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> <o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">So the queue looks like this<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:SV"><img border="0" width="589" height="128" style="width:6.1333in;height:1.3333in" id="Picture_x0020_1" src="cid:image001.png@01D58E25.DD245E60" alt="cid:image001.png@01D58E25.DD245E60"></span><o:p></o:p></p>
<p class="MsoNormal"><span lang="EN-US"> <o:p></o:p></span></p>
<p class="MsoNormal"><b><span lang="EN-US">Q2. When HighPrio job (12) finishes how can I make sure suspended job(10) would start instead of the pending job(13)?</span></b><span lang="EN-US"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> <o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> <o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> <o:p></o:p></span></p>
<p class="MsoNormal" style="margin-bottom:12.0pt;line-height:11.0pt"><span lang="PT-BR" style="color:black;mso-fareast-language:SV">Thanks<br>
<br>
<br>
</span><o:p></o:p></p>
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<p class="MsoNormal" style="line-height:10.0pt"><b><span lang="PT-BR" style="font-size:10.0pt;color:black;mso-fareast-language:SV">Oytun Peksel</span></b><o:p></o:p></p>
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<p class="MsoNormal"><span lang="EN-US"> </span><o:p></o:p></p>
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