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From "Jian He (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (YARN-1776) renewDelegationToken should survive RM failover
Date Sat, 22 Mar 2014 01:24:43 GMT

     [ https://issues.apache.org/jira/browse/YARN-1776?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Jian He updated YARN-1776:
--------------------------

    Attachment: YARN-1776.6.patch

Minor modification on the patch, changed the log message in unusual case to info level

> renewDelegationToken should survive RM failover
> -----------------------------------------------
>
>                 Key: YARN-1776
>                 URL: https://issues.apache.org/jira/browse/YARN-1776
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>            Reporter: Zhijie Shen
>            Assignee: Zhijie Shen
>         Attachments: YARN-1776.1.patch, YARN-1776.2.patch, YARN-1776.3.patch, YARN-1776.4.patch,
YARN-1776.5.patch, YARN-1776.6.patch
>
>
> When a delegation token is renewed, two RMStateStore operations: 1) removing the old
DT, and 2) storing the new DT will happen. If RM fails in between. There would be problem.



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