Github user pwendell commented on the pull request:
https://github.com/apache/spark/pull/221#issuecomment-38653088
Hey @concretevitamin sorry I think our proposal was the following:
1. Modify the listenerbus.stop() method to wait until all events are empty.
2. Call listenerbus.stop() in sc.stop()
This doesn't change anything visible to the user.
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