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https://issues.apache.org/jira/browse/FLINK-12423?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16840100#comment-16840100
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Chesnay Schepler commented on FLINK-12423:
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Which of our currently supported metric systems have support for time units?
> 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
> Priority: Major
>
> 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.
> Flink metrics doc
> [https://ci.apache.org/projects/flink/flink-docs-master/monitoring/metrics.html]
> Thanks for your time.
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