[GE users] RE: Reservation and Backfilling with SGE 6.0 on a Linux cluster

Korambath, Prakashan ppk at ats.ucla.edu
Tue Jul 27 01:14:47 BST 2004


I guess I was not giving enough time differences.  I did another
experiment this time with h_rt=500 for 3 processor job and h_rt=2000 for
1 and 2 processor jobs.  This time it did backfill.  Thanks.


Prakashan


-----Original Message-----
From: Korambath, Prakashan 
Sent: Monday, July 26, 2004 4:25 PM
To: users at gridengine.sunsource.net
Cc: Korambath, Prakashan
Subject: Reservation and Backfilling with SGE 6.0 on a Linux cluster


Hi,

I was trying to figure out the new reservation and back filling feature
of SGE 6.0 on a Linux machine cluster.  Apparently, I have difficulty
getting that to work.  I have 3 node experimental cluster and am trying
to run 3 processor jobs with reservation request.  So far the 2
processor and 1 processor job always finish before the 3 processor job
starts.  I was wondering whether I am missing something critical here.  

Below is what I am doing

qsub -N L1 waster1.sh  => 1 processor job
qsub -N L3 -R y -l h_rt=30 waster3.sh  => 3 processor job
qsub -N L1  -l h_rt=100 waster1.sh  => 1 processor job
qsub -N L1  -l h_rt=100 waster1.sh  =>  1 processor job
qsub -N L2  -l h_rt=100 waster2.sh  => 2 processor job

  Still my three processor job is waiting for all the other jobs to
finish. I also could not find the $SGE_ROOT/cell/common/schedule file in
my installation , which is mentioned in the administration guide.
Thanks.
 
Prakashan






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