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https://issues.apache.org/jira/browse/FLINK-19010?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17715700#comment-17715700
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Piotr Nowojski commented on FLINK-19010:
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[~zncheng], are you planning to add only a job level metric, equivalent of
{{lastCheckpointDuration}}, or do you want to do it per subtask and later
aggregate it at the task/job level?
> Add a system metric to show the checkpoint restore time
> -------------------------------------------------------
>
> Key: FLINK-19010
> URL: https://issues.apache.org/jira/browse/FLINK-19010
> Project: Flink
> Issue Type: Improvement
> Components: Runtime / Checkpointing, Runtime / Metrics
> Reporter: Zhinan Cheng
> Priority: Minor
>
> Now the system metric only shows the downtime when failure happens. It would
> be interesting to see the time to restore the checkpoint, so users can better
> understand the bottleneck of failure recovery.
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