Github user StephanEwen commented on the pull request:
https://github.com/apache/flink/pull/1947#issuecomment-219836974
This looks pretty good now.
I would like to get this in soon, now that the test are passing.
Let's iterate over it on the master.
This needs a rebase to master, though,
Also saw that you have a "metrics_v4" branch now. Is that one newer than
the pull request?
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