How can I change a class/queue on a job?


Issue: How can I change a class/queue on a job?

 

Symptom: 

At times it might be needed to change a jobs queue. So long as the job is not running this can be accomplised.

 

Solution:

If the job is an array job submitted through TORQUE then special considerations need to be followed; otherwise you can use mjobctl to modify a single batch job.

 

For an array job submitted through Moab or a single batch job use mjobctl:



[jbooth@support-mpi moab]$ mjobctl -m class="parallel" 553 

class/queue set to parallel for job 553 
class/queue set to parallel for job 553[10] 
class/queue set to parallel for job 553[1] 
class/queue set to parallel for job 553[2] 
class/queue set to parallel for job 553[3] 
class/queue set to parallel for job 553[4] 
class/queue set to parallel for job 553[5] 
class/queue set to parallel for job 553[6] 
class/queue set to parallel for job 553[7] 
class/queue set to parallel for job 553[8] 
class/queue set to parallel for job 553[9] 

[jbooth@support-mpi moab]$ mjobctl -m account=theskyisblue 553 

INFO: Account for job 553 set to theskyisblue 
INFO: Account for job 553[10] set to theskyisblue 
INFO: Account for job 553[1] set to theskyisblue 
INFO: Account for job 553[2] set to theskyisblue 
INFO: Account for job 553[3] set to theskyisblue 
INFO: Account for job 553[4] set to theskyisblue 
INFO: Account for job 553[5] set to theskyisblue 
INFO: Account for job 553[6] set to theskyisblue 
INFO: Account for job 553[7] set to theskyisblue 
INFO: Account for job 553[8] set to theskyisblue 
INFO: Account for job 553[9] set to theskyisblue 


 

 

If an array job was submitted through TORQUE use qmove. The reason for this is that Moab treats every array index as a new job. If you wanted to use mjobctl then the command would need to be ran each time for every index. e.g. mjobctl -m queue=parallel 12345[1] ... mjobctl -m queue=parallel 12345[2] etc.


 

[jbooth@support-mpi moab]$ qstat 
Job ID Name User Time Use S Queue 
------------------------- ---------------- --------------- -------- - ----- 
83594[].support-mpi STDIN jbooth 0 Q batch 
[jbooth@support-mpi moab]$ qmove parallel 83594[] 
[jbooth@support-mpi moab]$ qstat 
Job ID Name User Time Use S Queue 
------------------------- ---------------- --------------- -------- - ----- 
83594[].support-mpi STDIN jbooth 0 Q parallel

 

 

Tags: mjobctl, modfy job, qmove
Last update:
2015-08-10 20:29
Author:
Jason Booth
Revision:
1.2
Average rating:0 (0 Votes)

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