Github user merrimanr commented on the issue:
https://github.com/apache/metron/pull/1103
@justinleet I disagree with "Polling seems pretty avoidable". I feel like
that would be significant work and I'm not sure the Hadoop Job object is
asynchronous anyways. We would have to poll somewhere. Maybe we poll in the
middle-tier but we don't have any examples right now where the middle-tier
exposes a callback to a client. That would all be new development with new
dependencies added, new unit and integration test patterns, etc. If we really
think this is necessary (I would vote no) then I feel like it should be a
separate , follow on PR.
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