Details on Jobs in the High-Memory Queues that Produced a Warning

Details on Jobs that Produced a Warning

jobID.tID jobName user queue - mem_res max(vmem) - vmem avgmem cpu age eff. nslots ------------------------------------------------------------------------------------------------------------------------ 12248637.1 sansibia_spades nelsonjo mThM.q - 420.0G >> 12.402G - 7.862G 7.322G 15.2d 11.6d 13.1% 10/mthread 12759684.1 angsd2_arg.job beckerm mThM.q - 80.0G >> 18.802G - 16.007G 11.482G 1.9d 20.1h 28.9% 8/mthread 12759565.1 angsd2_arg.job beckerm mThM.q - 80.0G >> 40.311G - 21.014G 15.010G 3.8d 1.7d 28.6% 8/mthread 12190422.1 stairwayAZ.job byerlyp lThM.q - 20.0G >> 3.408G - 3.408G 3.369G 26.8d 26.9d 19.9% 5/mthread 12195552.1 stairwayNE.job byerlyp lThM.q - 20.0G >> 3.472G - 3.472G 3.422G 26.6d 26.7d 19.9% 5/mthread 12586423.1 treemix_batch uribeje lThM.q - 600.0G >> 16.266G - 16.197G 16.175G 3.6d 3.6d 5.0% 20/mthread 12198833.1 stairwayCAR.job byerlyp lThM.q - 20.0G >> 3.472G - 3.472G 3.421G 25.5d 25.8d 19.7% 5/mthread 12647567.1 treemix_batch uribeje lThM.q - 600.0G >> 9.088G - 9.088G 9.069G 2.9d 2.9d 5.0% 20/mthread

A warning is generated if either: • too much or too little memory is reserved: mem_res versus max(vmem); or • the job efficiency is too low or is too high. Click on the link under the jobID.tID heading to view the job's corresponding graph.

The quantity mem_res is the amount of memory reserved for the job, while max(vmem) is the maximum amount of memory a job has used (so far); to optimize the cluster's memory usage, these two numbers should be similar.

The job efficiency, eff., is the amount of CPU used so far divided by the product of the age by the number of slots. • A low efficiency means that the job is not using all the allocated CPUs (slots); • a value above 100% means that the job is using more CPUs cycles (threads) than the requested number of slots (nslots).

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