Greetings! We are trying to move from SGE 6.2u4 to Son of GridEngine 8.1.x and all is going fairly well except for qsub -tc.
The max running task limit option to qsub does not seem to be honored on Son of GridEngine 8.1.x. I have a simple sample job and can confirm the same same qsub leads to proper limiting of concurrent task array tasks on our older Sun SGE 6.2u4 cluster. The qsub cmdline I am using is: qsub -q rnd.q -t 1-50 -tc 2 -N cbTA -j y -cwd /path/to/task.sh task.sh just contains some echos and a sleep 600. On our 6.2u4 cluster, the scheduler properly only runs two of the 50 tasks at once. On SoGE 8.1.x all run at once if the resources are available. Clusters are separate and do not share nodes. We were running SoGE 8.1.3 and we updated to 8.1.4 last week and the issue is still there. Is qsub -tc broken in SoGE 8.1.4 or am I missing some scheduler config option I need to change to enable it? Any other thoughts or next steps for solving this? Thanks in advance, Chris -- Chris Black Linux Administrator Sequencing Solutions
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