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https://issues.apache.org/jira/browse/YARN-4750?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Lavkesh Lahngir updated YARN-4750:
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Summary: App metrics may not be correct when an app is recovered (was: App
metrics may not be correct when and app is recovered)
> App metrics may not be correct when an app is recovered
> -------------------------------------------------------
>
> Key: YARN-4750
> URL: https://issues.apache.org/jira/browse/YARN-4750
> Project: Hadoop YARN
> Issue Type: Bug
> Reporter: Lavkesh Lahngir
> Assignee: Lavkesh Lahngir
>
> App metrics(rather app attempt metrics) like Vcore-seconds and MB-seconds are
> saved in the state store when there is an attempt state transition. Values
> for running attempts will be in memory and will not be saved when there is an
> RM restart/failover. For recovered app metrics value will be reset. In that
> case, the value will be incomplete.
> Was this intentional or have we not found a correct way to fix it ?
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