Github user lianhuiwang commented on the pull request:
https://github.com/apache/spark/pull/3962#issuecomment-71574630
@andrewor14 if we don't finish with SUCCEEDED on driver disassociation, AM
should finish with non-zero. example: if driver's main class throw some
exception and exit, I think now AMActor will listen on the disassociated event
and finish with SUCCEEDED.if AMActor donot listen on the disassociated event,
userThread in AM can catch these exception from driver's main class and finish
with FAILED, not SUCCEEDED.
so i think AMActor is unnecessary to listening to driver's disassociated
event in yarn cluster mode because userThread in AM can monitor any exceptions
of driver's main class. but AMActor donot know any exceptions of driver. Do
you understan what i said? or Do you have different opinions?
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