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https://issues.apache.org/jira/browse/MAPREDUCE-3815?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13202856#comment-13202856
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Hudson commented on MAPREDUCE-3815:
-----------------------------------
Integrated in Hadoop-Hdfs-trunk-Commit #1756 (See
[https://builds.apache.org/job/Hadoop-Hdfs-trunk-Commit/1756/])
MAPREDUCE-3815. Fixed MR AM to always use hostnames and never IPs when
requesting containers so that scheduler can give off data local containers
correctly. Contributed by Siddarth Seth.
vinodkv :
http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1241654
Files :
* /hadoop/common/trunk/hadoop-mapreduce-project/CHANGES.txt
*
/hadoop/common/trunk/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/main/java/org/apache/hadoop/mapreduce/v2/app/job/impl/TaskAttemptImpl.java
*
/hadoop/common/trunk/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/test/java/org/apache/hadoop/mapreduce/v2/app/job/impl/TestTaskAttempt.java
*
/hadoop/common/trunk/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/test/java/org/apache/hadoop/mapreduce/v2/app/job/impl/TestTaskImpl.java
> Data Locality suffers if the AM asks for containers using IPs instead of
> hostnames
> ----------------------------------------------------------------------------------
>
> Key: MAPREDUCE-3815
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-3815
> Project: Hadoop Map/Reduce
> Issue Type: Sub-task
> Components: mrv2
> Affects Versions: 0.23.0
> Reporter: Siddharth Seth
> Assignee: Siddharth Seth
> Priority: Critical
> Fix For: 0.23.1
>
> Attachments: MR3815.txt
>
>
> BlockLocation.getHosts() returns IP addresses occasionally. Data locality is
> affected - since the RM requires hostnames.
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