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https://issues.apache.org/jira/browse/FLINK-4202?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15389285#comment-15389285
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ASF GitHub Bot commented on FLINK-4202:
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Github user tillrohrmann commented on the issue:
https://github.com/apache/flink/pull/2271
Good points with the documentation and the exposed metrics. I'll update the
documentation.
> Add JM metric which shows the restart duration
> ----------------------------------------------
>
> Key: FLINK-4202
> URL: https://issues.apache.org/jira/browse/FLINK-4202
> Project: Flink
> Issue Type: Improvement
> Components: Distributed Coordination
> Affects Versions: 1.1.0
> Reporter: Till Rohrmann
> Assignee: Till Rohrmann
> Fix For: 1.1.0
>
>
> It is convenient for users to have a metric which tells you how long the
> restarting of a job has taken.
> I propose a to introduce a {{Gauge}} which returns the time between
> {{JobStatus.RESTARTING}} and {{JobStatus.RUNNING}}. If the job was not
> restarted (initial run), then this metric will return {{-1}}.
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