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slurm [2023/04/05 13:39]
vodrazka [gpu-ms] 		slurm [2023/09/26 17:09]
straka
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 </code> </code>
  
-==== Running jobs ====+==== Inspecting jobs ====
  
 In order to inspect all running jobs on the cluster use: In order to inspect all running jobs on the cluster use:
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 In the example above you can see comments at all lines relevant to CPU allocation. In the example above you can see comments at all lines relevant to CPU allocation.
  
 +=== Priority ====
  
 +When running srun or sbatch, you can pass ''-q high/normal/low/preempt-low''. These represent priorities 300/200/100/100, with ''normal'' (200) being the default. Furthermore, the ''preempt-low'' QOS is actually preemptible -- if there is a job with normal or high QOS, they can interrupt your ''preempt-low'' job.
  
 +The preemption has probably not been used by anyone yet; some documentation about it is on https://slurm.schedmd.com/preempt.html, we use the REQUEUE regime (so your job is killed, very likely with some signal, so you could monitor it and for example save a checkpoint; but currently I do not know any details), and then started again when there are resources.
  
 ==== Interactive mode ==== ==== Interactive mode ====
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 <code>srun -p gpu-troja --constraint="gpuram48G|gpuram40G" --mem=64G --gres=gpu:2 --pty bash</code> <code>srun -p gpu-troja --constraint="gpuram48G|gpuram40G" --mem=64G --gres=gpu:2 --pty bash</code>
   * ''-''''-constraint="gpuram48G|gpuram40G"'' only consider nodes that have either ''gpuram48G'' or ''gpuram40G'' feature defined   * ''-''''-constraint="gpuram48G|gpuram40G"'' only consider nodes that have either ''gpuram48G'' or ''gpuram40G'' feature defined
 +
 +==== ====
  
 ==== Delete Job ==== ==== Delete Job ====
 <code>scancel <job_id> </code> <code>scancel <job_id> </code>
 +
 +<code>scancel -n <job_name> </code>
 +
  
 To see all the available options type: To see all the available options type:
  
-<code>man srun</code>+<code>man scancel</code>
  
 ==== Basic commands on cluster machines ==== ==== Basic commands on cluster machines ====

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