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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-6324) Uber jobs fail to update AMRM token when it rolls over
Date Tue, 28 Apr 2015 15:14:09 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-6324?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14517162#comment-14517162
] 

Hudson commented on MAPREDUCE-6324:
-----------------------------------

FAILURE: Integrated in Hadoop-Mapreduce-trunk-Java8 #178 (See [https://builds.apache.org/job/Hadoop-Mapreduce-trunk-Java8/178/])
MAPREDUCE-6324. Fixed MapReduce uber jobs to not fail the udpate of AM-RM tokens when they
roll-over. Contributed by Jason Lowe. (vinodkv: rev 9fc32c5c4d1d5f50c605bdb0e3b13f44c86660c8)
* hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/main/java/org/apache/hadoop/mapreduce/v2/app/local/LocalContainerAllocator.java
* hadoop-mapreduce-project/CHANGES.txt
* hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/test/java/org/apache/hadoop/mapreduce/v2/app/local/TestLocalContainerAllocator.java


> Uber jobs fail to update AMRM token when it rolls over
> ------------------------------------------------------
>
>                 Key: MAPREDUCE-6324
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-6324
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: mr-am
>    Affects Versions: 2.6.0
>            Reporter: Jason Lowe
>            Assignee: Jason Lowe
>            Priority: Blocker
>             Fix For: 2.7.1
>
>         Attachments: MAPREDUCE-6324.001.patch, MAPREDUCE-6324.002.patch
>
>
> When the RM rolls a new AMRM master key the AMs are supposed to receive a new AMRM token
on subsequent heartbeats between the time when the new key is rolled and when it is activated.
 This is not occurring for uber jobs.  If the connection to the RM needs to be re-established
after the new key is activated (e.g.: RM restart or network hiccup) then the uber job AM will
be unable to reconnect to the RM.



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