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https://issues.apache.org/jira/browse/YARN-1193?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Karthik Kambatla updated YARN-1193:
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Attachment: yarn-1193-1.patch
Straight-forward patch.
> ResourceManger.clusterTimeStamp should be reset when RM transitions to active
> -----------------------------------------------------------------------------
>
> Key: YARN-1193
> URL: https://issues.apache.org/jira/browse/YARN-1193
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: resourcemanager
> Reporter: Karthik Kambatla
> Assignee: Karthik Kambatla
> Attachments: yarn-1193-1.patch
>
>
> ResourceManager.clusterTimeStamp is used to generate application-ids.
> Currently, when the RM transitions to active-standby-active back and forth,
> the clusterTimeStamp stays the same leading to apps getting the same ids as
> jobs from before. This leads to other races in staging directory etc.
> To avoid this, it is better to set it on every transition to Active.
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