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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-4344) NMs reconnecting with changed capabilities can lead to wrong cluster resource calculations
Date Tue, 24 Nov 2015 00:45:11 GMT

    [ https://issues.apache.org/jira/browse/YARN-4344?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15023487#comment-15023487
] 

Hudson commented on YARN-4344:
------------------------------

FAILURE: Integrated in Hadoop-Hdfs-trunk-Java8 #633 (See [https://builds.apache.org/job/Hadoop-Hdfs-trunk-Java8/633/])
YARN-4344. NMs reconnecting with changed capabilities can lead to wrong (jlowe: rev d36b6e045f317c94e97cb41a163aa974d161a404)
* hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/TestCapacityScheduler.java
* hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/CapacityScheduler.java
* hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/fifo/FifoScheduler.java
* hadoop-yarn-project/CHANGES.txt


> NMs reconnecting with changed capabilities can lead to wrong cluster resource calculations
> ------------------------------------------------------------------------------------------
>
>                 Key: YARN-4344
>                 URL: https://issues.apache.org/jira/browse/YARN-4344
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: resourcemanager
>    Affects Versions: 2.7.1, 2.6.2
>            Reporter: Varun Vasudev
>            Assignee: Varun Vasudev
>            Priority: Critical
>             Fix For: 2.6.3, 2.7.3
>
>         Attachments: YARN-4344-branch-2.6.001.patch, YARN-4344.001.patch, YARN-4344.002.patch
>
>
> After YARN-3802, if an NM re-connects to the RM with changed capabilities, there can
arise situations where the overall cluster resource calculation for the cluster will be incorrect
leading to inconsistencies in scheduling.



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