[GitHub] storm issue #2771: STORM-3157: General improvement to StormMetricsRegistry

[zd-project]

Github user zd-project commented on the issue:

    https://github.com/apache/storm/pull/2771
  
    I have rebase this PR onto #2763, and I have also moved out 
`registerMetricSet`, `unregisterMetricSet` and `registerTimer` to the 
corresponding patch.


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