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Running jobs: Difference between revisions
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sq instead of squeue -u $USER
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(sq instead of squeue -u $USER) |
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Adding to this confusion, Slurm interprets K, M, G, etc., as [https://en.wikipedia.org/wiki/Binary_prefix binary prefixes], so <code>--mem=125G</code> is equivalent to <code>--mem=128000M</code>. See the "available memory" column in the "Node characteristics" table for each GP cluster for the Slurm specification of the maximum memory you can request on each node: [[Béluga/en#Node_characteristics|Béluga]], [[Cedar#Node_characteristics|Cedar]], [[Graham#Node_characteristics|Graham]]. | Adding to this confusion, Slurm interprets K, M, G, etc., as [https://en.wikipedia.org/wiki/Binary_prefix binary prefixes], so <code>--mem=125G</code> is equivalent to <code>--mem=128000M</code>. See the "available memory" column in the "Node characteristics" table for each GP cluster for the Slurm specification of the maximum memory you can request on each node: [[Béluga/en#Node_characteristics|Béluga]], [[Cedar#Node_characteristics|Cedar]], [[Graham#Node_characteristics|Graham]]. | ||
==Use <code> | ==Use <code>sq</code> to list jobs== <!--T:60--> | ||
<!--T:61--> | <!--T:61--> | ||
The | The <code>sq</code> command lists pending and running jobs which belong to you: | ||
<!--T:62--> | <!--T:62--> | ||
<source lang="bash"> | <source lang="bash"> | ||
$ | $ sq | ||
JOBID PARTITION NAME USER ST TIME NODES NODELIST(REASON) | JOBID PARTITION NAME USER ST TIME NODES NODELIST(REASON) | ||
123456 cpubase_b simple_j someuser R 0:03 1 cdr234 | 123456 cpubase_b simple_j someuser R 0:03 1 cdr234 | ||
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The ST column of the output shows the status of each job. The two most common states are "PD" for "pending" or "R" for "running". See the [https://slurm.schedmd.com/squeue.html squeue | The ST column of the output shows the status of each job. The two most common states are "PD" for "pending" or "R" for "running". | ||
for more on selecting, formatting, and interpreting the <code>squeue</code> output. | |||
The general command for checking the status of Slurm jobs is <code>squeue</code>, but by default it supplies information about ''all'' jobs in the system, not just your own. If you want to see different information about jobs than <code>sq</code> provides, use <code>squeue</code>. See the [https://slurm.schedmd.com/squeue.html online manual page for squeue] for more on selecting, formatting, and interpreting the <code>squeue</code> output. | |||
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'''Do not''' run <code>squeue</code> from a script or program at high frequency, ''e.g.,'' every few seconds. Responding to <code>squeue</code> adds load to Slurm, and may interfere with its performance or correct operation. See [[#Email_notification|Email notification]] below for another way to learn when your job starts or ends. | '''Do not''' run <code>sq</code> or <code>squeue</code> from a script or program at high frequency, ''e.g.,'' every few seconds. Responding to <code>squeue</code> adds load to Slurm, and may interfere with its performance or correct operation. See [[#Email_notification|Email notification]] below for another way to learn when your job starts or ends. | ||
==Where does the output go?== <!--T:63--> | ==Where does the output go?== <!--T:63--> | ||