Github user arunmahadevan commented on the pull request: https://github.com/apache/storm/pull/625#issuecomment-120818894 @errordaiwa with 2.10.4 you may try the single argument waitFor(long sequeuce) in DisruptrorQueue.java and observe the CPU usage with a high bolt count like what you mentioned in the issue. Also see if the bolts are receiving the tuples without a delay.
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