Get via saga a node where slurm sent job

[Anna Kostikova]

Dear list,

How can I via saga identify on which node slurm has sent a job?

Thanks a lot,
Anna

[Andre Merzky]

Hi Anna,

scontrol returns something like this for a 64-core job:

login1$ scontrol show job 3877912
JobId=3877912 Name=SAGAPythonSLURMJob
UserId=tg803521(803521) GroupId=G-81625(81625)
Priority=266 Account=TG-MCB090174 QOS=normal
JobState=PENDING Reason=PartitionDown Dependency=(null)
Requeue=0 Restarts=0 BatchFlag=1 ExitCode=0:0
RunTime=00:00:00 TimeLimit=00:15:00 TimeMin=N/A
SubmitTime=2014-08-11T15:45:11 EligibleTime=2014-08-11T15:45:11
StartTime=Unknown EndTime=Unknown
PreemptTime=None SuspendTime=None SecsPreSuspend=0
Partition=normal AllocNode:Sid=login3:20630
ReqNodeList=(null) ExcNodeList=(null)
NodeList=(null)
NumNodes=2 NumCPUs=64 CPUs/Task=1 ReqS:C:T=*:*:*
MinCPUsNode=1 MinMemoryNode=0 MinTmpDiskNode=0
Features=(null) Gres=(null) Reservation=(null)
Shared=0 Contiguous=0 Licenses=(null) Network=(null)
Command=(null)
WorkDir=/home1/01083/tg803521/radical.pilot.sandbox/pilot-53e92b3974df9236f98dd8c3

I am not sure if that contains the information you are interested in?
If so, which exactly would it be? If not, I am not sure how to
convince slurm to reveal more details...

Either way, once we find the details you are looking for, we should be
able to attach that as attributes to the saga.Job instance.

Best, Andre.

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[trollius]

Hello Andre,

Our guess is that we need an option "execution_hosts", which is not yet implemented according to the documentation 

http://saga-python.readthedocs.org/en/latest/adaptors/saga.adaptor.slurm_job.html  --> # print "Exec. hosts : %s" % (touchjob_clone.execution_hosts) # not impl.

the result is always null: "Exec. hosts : (null)"

What do you think?

Anna

[trollius]

Hello Andre,

Our guess is that we need an option "execution_hosts", which is not yet implemented according to the documentation 

http://saga-python.readthedocs.org/en/latest/adaptors/saga.adaptor.slurm_job.html  --> # print "Exec. hosts : %s" % (touchjob_clone.execution_hosts) # not impl.

the result is always null: "Exec. hosts : (null)"

What do you think?

Anna

[Ole Weidner]

Hi Anna,

can you please open a ticket for this at https://github.com/radical-cybertools/saga-python/issues? We’d be glad to implement this for the next release. 

Best,

Ole

[Anna Kostikova]

Thanks a lot, Ole. Done

Anna