Github user gallenvara commented on the pull request: https://github.com/apache/flink/pull/1267#issuecomment-149116533 JMH result (We can choose the benchmark mode with througout, averagetime,sampletime and so on.Also we can set the warmup and measurement iteration number according to test need.) : ![jmgtestresult](https://cloud.githubusercontent.com/assets/12931563/10571070/e7dc59a8-766d-11e5-866f-24d49eb8d630.PNG)
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