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https://issues.apache.org/jira/browse/YARN-5601?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15459370#comment-15459370
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Subru Krishnan commented on YARN-5601:
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Thanks [~jianhe] for reviewing/committing.
> Make the RM epoch base value configurable
> -----------------------------------------
>
> Key: YARN-5601
> URL: https://issues.apache.org/jira/browse/YARN-5601
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: nodemanager, resourcemanager
> Reporter: Subru Krishnan
> Assignee: Subru Krishnan
> Fix For: YARN-2915
>
> Attachments: YARN-5601-YARN-2915-v1.patch,
> YARN-5601-YARN-2915-v2.patch, YARN-5601-YARN-2915-v3.patch
>
>
> Currently the epoch always starts from zero. This can cause container ids to
> conflict for an application under Federation that spans multiple RMs
> concurrently. This JIRA proposes to make the RM epoch base value configurable
> which will allow us to avoid conflicts by setting different values for each
> RM.
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