make frontend as sge_execd host

There is request from ROCKS user to make frontend as sge execd host Even through this is not the best practice, but I understand the desire from user that want to use all CPU for sge jobs. This note describe one possible way
  • in frontend, login as root
  • cd /opt/gridengine
  • ./install_execd accept most default by hit return, except answer y to create local spool and supply /opt/gridengine/default/spool >
  • By default sge will use all CPU for running jobs, for frontend one should reserve at least one CPU for the frontend's other functions and only use slots-1 for sge. If you have two cpu for frontend then one should change the slots for sge from 2 to 1.

    qconf -mattr queue slots 1 all.q@.local

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