Github user uncleGen commented on the pull request:
https://github.com/apache/spark/pull/1356#issuecomment-48691344
@pwendell yeah, this is not a handsome way to resolve the bug. My fix is a
compromised way. Actually, there are no frequent get/put opertions in
blockManager when "caching" overflow events. In my test, it can alleviates
event stress. As you said, improving consume speed of listener is a better
way.ãBut, I have no confidence whether your way can adapt the scene where
100000+ events comes instantaneously.
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