Github user tillrohrmann commented on the issue:
https://github.com/apache/flink/pull/2112
Yes the idea is introduce the histogram abstraction which allows us to use
any histogram implementation. At the moment we don't have a need for an
optimized implementation which might change in the future, though. Thus, for
the time being I think it is a good compromise to offer the user the
possibility to use Dropwizard histograms in his user code.
With that in mind, I don't understand why things are not fitting together?
What do you propose? Adding Dropwizard histograms to flink-core?
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