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From "Li Lu (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-2837) Timeline server needs to recover the timeline DT when restarting
Date Wed, 03 Dec 2014 18:29:13 GMT

    [ https://issues.apache.org/jira/browse/YARN-2837?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14233294#comment-14233294
] 

Li Lu commented on YARN-2837:
-----------------------------

Agree to [~zjshen]'s suggestion. Let's do that in a separate Jira. I'd +1 this patch, and
maybe some committers would like to take a look at it? 

> 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
>
>
> 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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