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https://issues.apache.org/jira/browse/YARN-2045?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Junping Du updated YARN-2045:
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Attachment: YARN-2045-v5.patch
Thanks [~jlowe] for comments! Sorry. I forget to update visibility after
removing related interfaces from parent abstract class. In v5 patch, I fix most
of them. Also, I like suggestion to make unit test as a black box which may
only handle NMStateStore's start and stop. However, in this case, it could
means we need extra API to update CURRENT_VERSION_INFO which is a constant now
(but could be changed to different values across different YARN versions) -
that would bring extra effort and complexity. May be we can keep it is now?
> Data persisted in NM should be versioned
> ----------------------------------------
>
> Key: YARN-2045
> URL: https://issues.apache.org/jira/browse/YARN-2045
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: nodemanager
> Affects Versions: 2.4.1
> Reporter: Junping Du
> Assignee: Junping Du
> Attachments: YARN-2045-v2.patch, YARN-2045-v3.patch,
> YARN-2045-v4.patch, YARN-2045-v5.patch, YARN-2045.patch
>
>
> As a split task from YARN-667, we want to add version info to NM related
> data, include:
> - NodeManager local LevelDB state
> - NodeManager directory structure
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