Github user tedxia commented on the pull request:
https://github.com/apache/storm/pull/322#issuecomment-64305974
@nathanmarz If I run storm on yarn or mesos, it is not easy to find a
unique set of free ports, just as other service that scheduled by yarn or mesos
use dynamic port. Worker user dynamic port also enable user use deploy it's own
storm cluster as yarn's signal app, and we treat the cluster as a whole
resource poll, use yarn to achieve resource management.
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