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From "Jian He (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-2837) Timeline server needs to recover the timeline DT when restarting
Date Wed, 24 Dec 2014 01:27:14 GMT

    [ https://issues.apache.org/jira/browse/YARN-2837?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14257785#comment-14257785
] 

Jian He commented on YARN-2837:
-------------------------------

looks good, +1

> Timeline server needs to recover the timeline DT when restarting
> ----------------------------------------------------------------
>
>                 Key: YARN-2837
>                 URL: https://issues.apache.org/jira/browse/YARN-2837
>             Project: Hadoop YARN
>          Issue Type: New Feature
>          Components: timelineserver
>            Reporter: Zhijie Shen
>            Assignee: Zhijie Shen
>            Priority: Blocker
>             Fix For: 2.7.0
>
>         Attachments: YARN-2837.1.patch, YARN-2837.2.patch, YARN-2837.3.patch, YARN-2837.4.patch,
YARN-2837.5.patch, YARN-2837.6.patch, YARN-2837.7.patch
>
>
> Timeline server needs to recover the stateful information when restarting as RM/NM/JHS
does now. So far the stateful information only includes the timeline DT. Without recovery,
the timeline DT of the existing YARN apps is not long valid, and cannot be renewed any more
after the timeline server is restarted.



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