[GitHub] flink issue #4826: [FLINK-7608][metric] Refactoring latency statistics metri...

[yew1eb]

Github user yew1eb commented on the issue:

    https://github.com/apache/flink/pull/4826
  
    
[LatencyStatsJob.java](https://gist.github.com/yew1eb/3329239f866b691364f4d11a7f0a846a)
    "Source1" and "Source2"  Source send a LatencyMarker per 200ms.
    "Map-1-A" and "Map-2-B" Map Opreater random sleep a few milliseconds.
    
    The following figure shows the latency statistics of **Map-2-B**:
    <img width="1144" alt="wx20171014-230347 2x" 
src="https://user-images.githubusercontent.com/4133864/31576890-1c7d672c-b0ca-11e7-8abd-f761e072fccd.png";>
    
    
    The following figure shows the latency statistics of **Sink: Print**:
    <img width="1158" alt="latency_stat_sink" 
src="https://user-images.githubusercontent.com/4133864/31576900-67086e72-b0ca-11e7-8247-1c8310e58cf0.png";>
    
    R: @zentol  @rmetzger 



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