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https://issues.apache.org/jira/browse/YARN-2770?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14191224#comment-14191224
 ] 

Hadoop QA commented on YARN-2770:
---------------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest 
attachment 
  http://issues.apache.org/jira/secure/attachment/12678376/YARN-2770.2.patch
  against trunk revision e1f7d65.

    {color:green}+1 @author{color}.  The patch does not contain any @author 
tags.

    {color:green}+1 tests included{color}.  The patch appears to include 2 new 
or modified test files.

    {color:green}+1 javac{color}.  The applied patch does not increase the 
total number of javac compiler warnings.

    {color:green}+1 javadoc{color}.  There were no new javadoc warning messages.

    {color:green}+1 eclipse:eclipse{color}.  The patch built with 
eclipse:eclipse.

    {color:green}+1 findbugs{color}.  The patch does not introduce any new 
Findbugs (version 2.0.3) warnings.

    {color:green}+1 release audit{color}.  The applied patch does not increase 
the total number of release audit warnings.

    {color:red}-1 core tests{color}.  The patch failed these unit tests in 
hadoop-common-project/hadoop-common 
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client 
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common 
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-applicationhistoryservice:

                  org.apache.hadoop.yarn.client.TestResourceTrackerOnHA
                  
org.apache.hadoop.yarn.client.TestApplicationClientProtocolOnHA

    {color:green}+1 contrib tests{color}.  The patch passed contrib unit tests.

Test results: 
https://builds.apache.org/job/PreCommit-YARN-Build/5650//testReport/
Console output: https://builds.apache.org/job/PreCommit-YARN-Build/5650//console

This message is automatically generated.

> Timeline delegation tokens need to be automatically renewed by the RM
> ---------------------------------------------------------------------
>
>                 Key: YARN-2770
>                 URL: https://issues.apache.org/jira/browse/YARN-2770
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: timelineserver
>    Affects Versions: 2.5.0
>            Reporter: Zhijie Shen
>            Assignee: Zhijie Shen
>            Priority: Critical
>         Attachments: YARN-2770.1.patch, YARN-2770.2.patch
>
>
> YarnClient will automatically grab a timeline DT for the application and pass 
> it to the app AM. Now the timeline DT renew is still dummy. If an app is 
> running for more than 24h (default DT expiry time), the app AM is no longer 
> able to use the expired DT to communicate with the timeline server. Since RM 
> will cache the credentials of each app, and renew the DTs for the running 
> app. We should provider renew hooks similar to what HDFS DT has for RM, and 
> set RM user as the renewer when grabbing the timeline DT.



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