Github user aljoscha commented on the pull request:
https://github.com/apache/flink/pull/988#issuecomment-128507574
Yes, I think the automatic rebalance is good. My approach of throwing the
exception was just the easiest way of dealing with the previously faulty
behavior. I think people coming from storm are also used to just having
operations that are executed even if you don't have a sink. So maybe we should
keep that.
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