Job Resource Utilization

Check your finished jobs

The jobs you can no longer see in squeue command output.

Querying finished jobs helps users make better decisions on how much resources to request for future jobs.

JOBID is required.

Display job CPU and memory usage:

$ seff JOBID

[tutln01@login-prod-01 ~]$ seff 296794
Job ID: 296794
Cluster: pax
Use of uninitialized value $user in concatenation (.) or string at /usr/bin/seff line 154, <DATA> line 602.
User/Group: /tutln01
State: COMPLETED (exit code 0)
Nodes: 1
Cores per node: 2
CPU Utilized: 00:00:00
CPU Efficiency: 0.00% of 00:22:12 core-walltime
Job Wall-clock time: 00:11:06
Memory Utilized: 1.16 MB (estimated maximum)
Memory Efficiency: 0.06% of 2.00 GB (2.00 GB/node)

Display job detailed accounting data:

$ sacct --format=partition,state,time,start,end,elapsed,MaxRss,ReqMem,MaxVMSize,nnodes,ncpus,nodelist -j JOBID

[tutln01@login-prod-01 ~]$ sacct --format=partition,state,time,start,end,elapsed,MaxRss,ReqMem,MaxVMSize,nnodes,ncpus,nodelist -j  296794
 Partition      State  Timelimit               Start                 End    Elapsed     MaxRSS     ReqMem  MaxVMSize   NNodes      NCPUS        NodeList 
---------- ---------- ---------- ------------------- ------------------- ---------- ---------- ---------- ---------- -------- ---------- --------------- 
   preempt  COMPLETED 1-02:30:00 2021-03-22T22:18:55 2021-03-22T22:30:01   00:11:06                   2Gn                   1          2       cc1gpu001 
           OUT_OF_ME+            2021-03-22T22:18:55 2021-03-22T22:30:01   00:11:06         8K        2Gn    135100K        1          2       cc1gpu001 
            COMPLETED            2021-03-22T22:18:56 2021-03-22T22:30:01   00:11:05       592K        2Gn    351672K        1          2       cc1gpu001 

NOTE: there are more format options, see sacct

Hint

If you don’t know your job IDs or can’t find them. Utilize hpctools - Tufts HPC Helper Tool on the HPC cluster to find all of your jobs since a certain date.