Github user mjsax commented on the pull request: https://github.com/apache/storm/pull/694#issuecomment-142977052 I did not have time yet. However, I am still on it... I did already some more work for this PR that is not pushed yet (for example to support different output batches for different output streams and some "clean up" of my changes). I think I have an overall cleaner design now of my code. As a next step, I actually want to investigate why this PR only gives factor two throughput improvement (because Aeolus give factor five). But if you prefer, I can also work on the ack problem first to get a fully running PR for now. (I just disabled acking in my current tests ;))
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