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https://issues.apache.org/jira/browse/YARN-2211?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14062573#comment-14062573
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Jian He commented on YARN-2211:
-------------------------------
some comments:
- setCurrnetMasterKeyData, setNextMasterKeyData methods not used
- change not needed?
{code}
|----- AMRMTOKEN_SECRET_MANAGER_ROOT_ZNODE_NAME
{code}
- Fix “System.out.println(stateData.getCurrentTokenMasterKey());” in
FileSystemRMStateStore
- Test: add test in restart scenario that AM issued with rolled-over AMRMToken
is still able to communicate with restarted RM.
testAppAttemptTokensRestoredOnRMRestart may help writing the test.
> RMStateStore needs to save AMRMToken master key for recovery when RM
> restart/failover happens
> ----------------------------------------------------------------------------------------------
>
> Key: YARN-2211
> URL: https://issues.apache.org/jira/browse/YARN-2211
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: resourcemanager
> Reporter: Xuan Gong
> Assignee: Xuan Gong
> Attachments: YARN-2211.1.patch, YARN-2211.2.patch, YARN-2211.3.patch
>
>
> After YARN-2208, AMRMToken can be rolled over periodically. We need to save
> related Master Keys and use them to recover the AMRMToken when RM
> restart/failover happens
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