Github user Lewuathe commented on the pull request:
https://github.com/apache/storm/pull/338#issuecomment-65881172
@harshach Catching UnknownTopicOrPartitionException consumes some network
bandwidth, doesn't it? It will check whether kafka server has the topic or not.
Watching ZK does not induce traffic while topic path is not created, only
WATCHED event is occurred.
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