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Managing Jobs
The
squeue command will list all jobs scheduled in the cluster. We have also written wrappers for squeue on Oscar that you may find more convenient:myq List only your own jobs.
allq List all jobs, but organized by partition, and a summary of the nodes in use in the
partition.
allq <partition> List all jobs in a single partition.
myjobinfo Get the time and memory used for your jobs.
squeue -u <your-username> -t PENDING --start
This command will list all of your pending jobs and the estimated time until completion.
scancel <jobid>
The
sacct command will list all of your running, queued and completed jobs since midnight of the previous day. To pick an earlier start date, specify it with the -S option:sacct -S 2012-01-01
To find out more information about a specific job, such as its exit status or the amount of runtime or memory it used, specify the
-l ("long" format) and -j options with the job ID:sacct -lj <jobid>
The
myjobinfo command uses the sacct command to display "Elapsed Time", "Requested Memory" and "Maximum Memory used on any one Node" for your jobs. This can be used to optimize the requested time and memory to have the job started as early as possible. Make sure you request a conservative amount based on how much was used.myjobinfo
Info about jobs for user 'mdave' submitted since 2017-05-19T00:00:00
Use option '-S' for a different date or option '-j' for a specific Job ID.
JobID JobName Submit State Elapsed ReqMem MaxRSS
1861 ior 2017-05-19T08:31:01 COMPLETED 00:00:09 2800Mc 1744K
1862 ior 2017-05-19T08:31:11 COMPLETED 00:00:54 2800Mc 22908K
1911 ior 2017-05-19T15:02:01 COMPLETED 00:00:06 2800Mc 1748K
1912 ior 2017-05-19T15:02:07 COMPLETED 00:00:21 2800Mc 1744K
ReqMem shows the requested memory: A c at the end of number represents Memory Per CPU, a n represents Memory Per Node. MaxRSS is the maximum memory used on any one node. Note that memory specified to sbatch using --mem is Per Node.Last modified 2yr ago