Github user HeartSaVioR commented on the pull request:
https://github.com/apache/storm/pull/539#issuecomment-97223969
It doesn't mean that I don't agree only WARN log is enough.
I strongly agree we need INFO log to trace what happened.
For example, multilang tests with Travis CI may run fine but just makes
some noise at cleanup.
With WARN logs we can't determine Topology runs properly cause we relied on
'topology.debug: true' and it prints out debug messages to INFO.
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