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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-7891) A block placement policy with best rack failure tolerance
Date Fri, 17 Apr 2015 15:11:07 GMT

    [ https://issues.apache.org/jira/browse/HDFS-7891?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14499997#comment-14499997
] 

Hudson commented on HDFS-7891:
------------------------------

FAILURE: Integrated in Hadoop-Mapreduce-trunk-Java8 #167 (See [https://builds.apache.org/job/Hadoop-Mapreduce-trunk-Java8/167/])
HDFS-7891. A block placement policy with best rack failure tolerance.  Contributed by Walter
Su (szetszwo: rev 9595cc003ca5ed3d59b6942056a4fcb9080f79c9)
* hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/BlockPlacementPolicyDefault.java
* hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/BlockPlacementPolicyRackFaultTolarent.java
* hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestBlockPlacementPolicyRackFaultTolarent.java
* hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt


> A block placement policy with best rack failure tolerance
> ---------------------------------------------------------
>
>                 Key: HDFS-7891
>                 URL: https://issues.apache.org/jira/browse/HDFS-7891
>             Project: Hadoop HDFS
>          Issue Type: New Feature
>          Components: namenode
>            Reporter: Walter Su
>            Assignee: Walter Su
>            Priority: Minor
>             Fix For: 2.8.0
>
>         Attachments: HDFS-7891.005.dup.patch, HDFS-7891.005.patch, HDFS-7891.006.patch
>
>
> a block placement policy tries its best to place replicas to most racks.



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