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From "Armstrong Nova (JIRA)" <j...@apache.org>
Subject [jira] [Created] (FLINK-12423) Add Timer metric type for flink-metrics module
Date Tue, 07 May 2019 02:45:00 GMT
Armstrong Nova created FLINK-12423:

             Summary: Add Timer metric type for flink-metrics module
                 Key: FLINK-12423
                 URL: https://issues.apache.org/jira/browse/FLINK-12423
             Project: Flink
          Issue Type: Improvement
          Components: Runtime / Metrics
            Reporter: Armstrong Nova
            Assignee: Armstrong Nova

Hi guys, 

    Currently, Flink only support 4 registering metrics, {{Counters}}, {{Gauges}}, {{Histograms}} and {{Meters}}. 
If we want to measure the time cost metric, for example P75th, P99th, P999th, right now
can only use Histograms metric. But Histograms metric not support TimeUnit type (second, millisecond,
microsecond, nanosecond). So it's not convenient to collaborate with outside metric system. 

    The Codahale/DropWizard support Time meter, so we can wrap it in Flink. 
    Thanks for your time.

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