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https://issues.apache.org/jira/browse/FLINK-7608?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16204575#comment-16204575
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ASF GitHub Bot commented on FLINK-7608:
---------------------------------------
GitHub user yew1eb opened a pull request:
https://github.com/apache/flink/pull/4826
[FLINK-7608][metric] Refactoring latency statistics metric
A detailed description of this PR, see [#issue FLINK-7608: LatencyGauge
change to histogram metric](https://issues.apache.org/jira/browse/FLINK-7608)
## Verifying this change
This change is already covered by existing tests.
## Does this pull request potentially affect one of the following parts:
- Dependencies (does it add or upgrade a dependency): (no)
- The public API, i.e., is any changed class annotated with
`@Public(Evolving)`: (no)
- The serializers: (no)
- The runtime per-record code paths (performance sensitive): (no)
- Anything that affects deployment or recovery: JobManager (and its
components), Checkpointing, Yarn/Mesos, ZooKeeper: (no)
## Documentation
- Does this pull request introduce a new feature? (no)
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/yew1eb/flink FLINK-7608
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/flink/pull/4826.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #4826
----
commit 890616b828d979eed336d546300f442ac7f75b09
Author: yew1eb <yew...@gmail.com>
Date: 2017-10-14T09:19:49Z
refactoring latency statistics metric
----
> LatencyGauge change to histogram metric
> ----------------------------------------
>
> Key: FLINK-7608
> URL: https://issues.apache.org/jira/browse/FLINK-7608
> Project: Flink
> Issue Type: Bug
> Components: Metrics
> Reporter: Hai Zhou UTC+8
> Assignee: Hai Zhou UTC+8
> Priority: Blocker
> Fix For: 1.4.0, 1.3.3
>
>
> 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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