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https://issues.apache.org/jira/browse/YARN-2312?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14144037#comment-14144037
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Tsuyoshi OZAWA commented on YARN-2312:
--------------------------------------

Talked with Jian offline.

{quote}
2. Priority. Can we change the definition of Proto? It's used widely and one 
concern is backward compatibility.
{quote}

Priority class is used with ContainerId#getId only in test code(e.g. 
ApplicationHistoryStoreTestUtils). We can leave it for now.

> Marking ContainerId#getId as deprecated
> ---------------------------------------
>
>                 Key: YARN-2312
>                 URL: https://issues.apache.org/jira/browse/YARN-2312
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: resourcemanager
>            Reporter: Tsuyoshi OZAWA
>            Assignee: Tsuyoshi OZAWA
>         Attachments: YARN-2312-wip.patch
>
>
> {{ContainerId#getId}} will only return partial value of containerId, only 
> sequence number of container id without epoch, after YARN-2229. We should 
> mark {{ContainerId#getId}} as deprecated and use 
> {{ContainerId#getContainerId}} instead.



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