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https://issues.apache.org/jira/browse/FLINK-21510?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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David Morávek updated FLINK-21510:
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    Priority: Major  (was: Minor)

> ExecutionGraph metrics collide on restart
> -----------------------------------------
>
>                 Key: FLINK-21510
>                 URL: https://issues.apache.org/jira/browse/FLINK-21510
>             Project: Flink
>          Issue Type: Bug
>          Components: Runtime / Coordination
>            Reporter: Chesnay Schepler
>            Assignee: Chesnay Schepler
>            Priority: Major
>              Labels: auto-deprioritized-major, auto-unassigned, reactive
>
> The ExecutionGraphBuilder registers several metrics directly on the 
> JobManagerJobMetricGroup, which are never cleaned up.
> These include upTime/DownTime/restartingTime as well as various checkpointing 
> metrics (see the CheckpointStatsTracker for details; examples are number of 
> checkpoints, checkpoint sizes etc).
> When the AdaptiveScheduler re-creates the EG these will collide with metrics 
> of prior attempts.
> Essentially we either need to create a separate metric group that we pass to 
> the EG or refactor the metrics to be based on some mutable EG reference.



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