Github user revans2 commented on the pull request:
https://github.com/apache/storm/pull/884#issuecomment-157780934
@schonfeld the reason for doing it per component is because you have a
framework, like spring, that wants to be setup and cleaned up, but only a
subset of the components use it. I supposed having the worker hook run on
workers that don't use spring probably is not that bad, but I can also see that
if it adds extra overhead some people may want to turn it off.
I am still +1 on this change.
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