[jira] [Commented] (FLINK-7608) LatencyGauge change to histogram metric

["Shuyi Chen (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/FLINK-7608?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16750675#comment-16750675 ] 

Shuyi Chen commented on FLINK-7608:
-----------------------------------

[~Zentol],  [~aljoscha], it appears that after this PR, I can no longer find the latency histogram from the web UI or the rest API. Is it because now it's grouped by operator id, and not vertex id? Is there a way that I can find this metric through the web UI or rest API? Thanks a lot.

> LatencyGauge change to  histogram metric
> ----------------------------------------
>
>                 Key: FLINK-7608
>                 URL: https://issues.apache.org/jira/browse/FLINK-7608
>             Project: Flink
>          Issue Type: Improvement
>          Components: Metrics
>            Reporter: Hai Zhou
>            Assignee: Hai Zhou
>            Priority: Major
>             Fix For: 1.5.0
>
>
> I used slf4jReporter[https://issues.apache.org/jira/browse/FLINK-4831]  to export metrics the log file.
> I found:
> {noformat}
> -- Gauges ---------------------------------------------------------------------
> ......
> zhouhai-mbp.taskmanager.f3fd3a269c8c3da4e8319c8f6a201a57.Flink Streaming Job.Map.0.latency:
>  value={LatencySourceDescriptor{vertexID=1, subtaskIndex=-1}={p99=116.0, p50=59.5, min=11.0, max=116.0, p95=116.0, mean=61.833333333333336}}
> zhouhai-mbp.taskmanager.f3fd3a269c8c3da4e8319c8f6a201a57.Flink Streaming Job.Sink- Unnamed.0.latency: 
> value={LatencySourceDescriptor{vertexID=1, subtaskIndex=0}={p99=195.0, p50=163.5, min=115.0, max=195.0, p95=195.0, mean=161.0}}
> ......
> {noformat}



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