Github user hsun-cnnxty commented on the pull request:
https://github.com/apache/storm/pull/728#issuecomment-188640434
@revans2
Just merged code from master and seems there is performance degradation
with recent changes. I noticed that it not only affects this branch, but also
the master branch. Here are the comparison on my laptop for running the perf
test with only 5,000/sec throughput with code from master.
Before (git hash: 3db968092077363bd766db516b9e1135273672bf)
[netty3-r5000.txt](https://github.com/apache/storm/files/146057/netty3-r5000.txt)
Now (git hash: bd396b3a4ec0c242f18725ddf43e35f26da51269)
[netty3-new-r5000.txt](https://github.com/apache/storm/files/146058/netty3-new-r5000.txt)
Note: when running the latest code, my CPU is almost 100% busy which may
explain why it was so much worse. When running the "old" code, my CPU still
had 10% idle time.
-thanks
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