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https://issues.apache.org/jira/browse/FLINK-20833?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17267128#comment-17267128
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Robert Metzger commented on FLINK-20833:
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1) See my comment in the PR: I wasn't aware of the "numRestarts" metric. Maybe
it adds more confusion to count the restarts and the failures in two metrics?!
4) Good question. Maybe add it into the Deployment / Advanced section?
https://ci.apache.org/projects/flink/flink-docs-master/deployment/advanced/index.html
> Expose pluggable interface for exception analysis and metrics reporting in
> Execution Graph
> -------------------------------------------------------------------------------------------
>
> Key: FLINK-20833
> URL: https://issues.apache.org/jira/browse/FLINK-20833
> Project: Flink
> Issue Type: Improvement
> Components: Runtime / Coordination
> Affects Versions: 1.12.0
> Reporter: Zhenqiu Huang
> Assignee: Zhenqiu Huang
> Priority: Minor
> Labels: pull-request-available
>
> For platform users of Apache flink, people usually want to classify the
> failure reason( for example user code, networking, dependencies and etc) for
> Flink jobs and emit metrics for those analyzed results. So that platform can
> provide an accurate value for system reliability by distinguishing the
> failure due to user logic from the system issues.
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