Github user roshannaik commented on the pull request:
https://github.com/apache/storm/pull/1217#issuecomment-200143091
In my opinion, since this performance hit can be quite large, we should
definitely set eventLoggers=0 by default, and additionally the UI should also
disable the 'debug' button if eventLoggers=0
That will avoid the confusion to users that Arun was mentioning earlier...
This feature has some needless penalties and wasting CPU cycles even when not
in use.
I tried switching the clojure lookups into a java implementation .. but
that didnt help. So i don't see a way to speed up these lookups.
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