Github user patricklucas commented on the pull request:
https://github.com/apache/incubator-storm/pull/49#issuecomment-38334160
That sounds great to me, can we figure out why this structure is being
accessed concurrently within an executor which is ostensibly single-threaded?
We're working to cut an internal release with this change so we can be
unblocked by this issue.
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