Github user tdas commented on the pull request:
https://github.com/apache/spark/pull/2991#issuecomment-62452662
@jerryshao This is a very good observation. I think this is going to be an
experimental update, it is okay to do it this way for now. If there are issues
with large kafka installation we can try to optimize this further later. Maybe
Kafka 0.9 will help.
Regarding performance, do you have sense of how much drop in performance is
it going to be?
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