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From "Harvey Feng" <>
Subject Re: Review Request: Updates and additions to the MPI framework
Date Mon, 21 May 2012 18:16:49 GMT

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(Updated 2012-05-21 18:16:49.284988)

Review request for mesos, Benjamin Hindman, Charles Reiss, and Jessica.


Added paths (with defaults) to mesos and protobuf eggs ($MESOS_EGG and $PROTOBUF_EGG) in mpiexec-mesos
script (still named nmpiexec at the moment).


Some updates to point out:
  -> 'mpdallexit' should terminate all slaves' mpds in the ring. I moved 'driver.stop()'
to statusUpdate() so that it stops when all tasks have been finished, which occurs when the
executor's launched mpd processes have all exited.
  -> Didn't remove cleanup(), and added code in shutdown() that manually kills mpd processes.
They might be useful during abnormal (cleanup) and normal (shutdown) framework/executor termination...I
think. cleanup() still terminates all mpd's in the slave, but shutdown doesn't. 
  -> killtask() stops the mpd associated with the given tid. 
  -> Task states update nicely now. They correspond to the state of a task's associated
mpd process.
  -> Included additional info on how to setup and run MPICH2 1.2 and nmpiexec on OS X and

This addresses bug MESOS-183.

Diffs (updated)

  frameworks/mpi/nmpiexec 517bdbc 
  frameworks/mpi/ a5db9c0 
  frameworks/mpi/README.txt cdb4553 
  frameworks/mpi/ 8eeba5e 
  frameworks/mpi/ 44faa05 





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