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https://issues.apache.org/jira/browse/YARN-8151?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16434662#comment-16434662
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Young Chen commented on YARN-8151:
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Right now RM Epoch values in sub clusters are seeded in different ranges: 0,
1000, 2000, etc. If one RM restarts enough its epoch can increment until it
clashes with a neighboring sub cluster. E.g. 999 -> 1000. To fix this, we
introduce a configurable range by which the epoch generation is bound.
> Yarn RM Epoch should wrap around
> --------------------------------
>
> Key: YARN-8151
> URL: https://issues.apache.org/jira/browse/YARN-8151
> Project: Hadoop YARN
> Issue Type: Sub-task
> Reporter: Young Chen
> Assignee: Young Chen
> Priority: Major
>
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