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https://issues.apache.org/jira/browse/YARN-4024?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14731604#comment-14731604
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Hudson commented on YARN-4024:
------------------------------
FAILURE: Integrated in Hadoop-Mapreduce-trunk-Java8 #349 (See
[https://builds.apache.org/job/Hadoop-Mapreduce-trunk-Java8/349/])
YARN-4024. YARN RM should avoid unnecessary resolving IP when NMs doing
heartbeat. (Hong Zhiguo via wangda) (wangda: rev
bcc85e3bab78bcacd430eac23141774465b96ef9)
*
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/conf/YarnConfiguration.java
*
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/resources/yarn-default.xml
* hadoop-yarn-project/CHANGES.txt
*
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/NodesListManager.java
*
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/rmapp/TestNodesListManager.java
> YARN RM should avoid unnecessary resolving IP when NMs doing heartbeat
> ----------------------------------------------------------------------
>
> Key: YARN-4024
> URL: https://issues.apache.org/jira/browse/YARN-4024
> Project: Hadoop YARN
> Issue Type: Improvement
> Components: resourcemanager
> Reporter: Wangda Tan
> Assignee: Hong Zhiguo
> Fix For: 2.8.0
>
> Attachments: YARN-4024-draft-v2.patch, YARN-4024-draft-v3.patch,
> YARN-4024-draft.patch, YARN-4024-v4.patch, YARN-4024-v5.patch,
> YARN-4024-v6.patch, YARN-4024-v7.patch
>
>
> Currently, YARN RM NodesListManager will resolve IP address every time when
> node doing heartbeat. When DNS server becomes slow, NM heartbeat will be
> blocked and cannot make progress.
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