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https://issues.apache.org/jira/browse/YARN-2052?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14028717#comment-14028717
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Tsuyoshi OZAWA commented on YARN-2052:
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s/epoch number is/epoch number should be/

> ContainerId creation after work preserving restart is broken
> ------------------------------------------------------------
>
>                 Key: YARN-2052
>                 URL: https://issues.apache.org/jira/browse/YARN-2052
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: resourcemanager
>            Reporter: Tsuyoshi OZAWA
>
> Container ids are made unique by using the app identifier and appending a 
> monotonically increasing sequence number to it. Since container creation is a 
> high churn activity the RM does not store the sequence number per app. So 
> after restart it does not know what the new sequence number should be for new 
> allocations.



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