[GE users] SGE 6.2: qsub -sync y option for large number of jobs

elauzier elauzier2 at perlstar.com
Sat Dec 12 21:17:36 GMT 2009


Hi,

Anyone have any information on the pros and cons of the qsub -sync y option?

( Ex: pro: can be killed by entering cntr-c)
( Ex: con: if terminal session is broken,
  the job is killed...)

For example, as part of a job flow...
one might do the following:

 qsub -b y -cwd -V -sync y -N arrayjob -t 1-10000 sleep 1800

The qsub command will not return until the entire job array has finished...
hence one of my concerns...

Now, for a few users doing this, 
it may be fine, but for many users
I would have reservations about such an animal for say 100 users all running 10000
element job arrays at the same time...

Would using job dependencies be more 
robust or lead to more scheduling
overhead?

Any ideas would be greatly appreciated...

Thanks,

Ed Lauzier

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