Github user ptgoetz commented on the pull request: https://github.com/apache/storm/pull/1217#issuecomment-200559629 I did a quick benchmark on a real cluster (albeit on a VMware cluster) and found that there was a throughput hit, but it was small -- about 0.4%. I'm okay with leaving the defaults as is, and documenting how to disable the feature. If there's a better solution, I'm okay with waiting for a post 1.0 release.
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