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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-2770) Timeline delegation tokens need to be automatically renewed by the RM
Date Thu, 30 Oct 2014 05:17:34 GMT

    [ https://issues.apache.org/jira/browse/YARN-2770?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14189657#comment-14189657
] 

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

{color:green}+1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12678042/YARN-2770.1.patch
  against trunk revision 0126cf1.

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

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

Test results: https://builds.apache.org/job/PreCommit-YARN-Build/5635//testReport/
Console output: https://builds.apache.org/job/PreCommit-YARN-Build/5635//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
>
>
> 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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