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