Github user andrewor14 commented on the pull request:
https://github.com/apache/spark/pull/5385#issuecomment-113344329
@jerryshao Yes, TD and I discussed this also recently. Both of us agree
that we should have some kind of solution for handling back pressure in
streaming. Some notion of flow control is good, but additionally we could also
solve this with dynamic allocation. I think moving forward it makes sense to
have both solutions because flow control is necessary if we cannot acquire more
resources in the cluster.
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