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From "Zhijie Shen (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-2837) Timeline server needs to recover the timeline DT when restarting
Date Wed, 24 Dec 2014 01:18:13 GMT

    [ https://issues.apache.org/jira/browse/YARN-2837?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14257770#comment-14257770
] 

Zhijie Shen commented on YARN-2837:
-----------------------------------

The findbug warnings are not related to this patch. The test failure is also not related.
File a separate Jira for the test failure as it turns out to be failed once before too.

> 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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