Github user snagafritz commented on the issue:
https://github.com/apache/nifi/pull/2962
Closing pull request. After some testing, with tags working "properly", I
think we blew through our custom metric limits with Datadog. I saw someone on
the previous PR that implemented this reporting task had mentioned it would be
a good idea to allow users to select with metrics they would want reported.
That may be a very good idea. In the meantime, I may suggest that we just
remove all of the tags _except_ the environment tag that is configured with the
controller service.
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