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https://issues.apache.org/jira/browse/HDFS-6995?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14160126#comment-14160126
]
Hudson commented on HDFS-6995:
------------------------------
FAILURE: Integrated in Hadoop-trunk-Commit #6196 (See
[https://builds.apache.org/job/Hadoop-trunk-Commit/6196/])
HDFS-6995. Block should be placed in the client's 'rack-local' node if
'client-local' node is not available (vinayakumarb) (vinayakumarb: rev
ed841dd9a96e54cb84d9cae5507e47ff1c8cdf6e)
*
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSNamesystem.java
*
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/blockmanagement/TestReplicationPolicyConsiderLoad.java
*
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/DatanodeManager.java
*
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/BlockManager.java
* hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
> Block should be placed in the client's 'rack-local' node if 'client-local'
> node is not available
> ------------------------------------------------------------------------------------------------
>
> Key: HDFS-6995
> URL: https://issues.apache.org/jira/browse/HDFS-6995
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: namenode
> Affects Versions: 2.5.0
> Reporter: Vinayakumar B
> Assignee: Vinayakumar B
> Fix For: 2.6.0
>
> Attachments: HDFS-6995-001.patch, HDFS-6995-002.patch,
> HDFS-6995-003.patch, HDFS-6995-004.patch, HDFS-6995-005.patch,
> HDFS-6995-006.patch, HDFS-6995-007.patch
>
>
> HDFS cluster is rack aware.
> Client is in different node than of datanode,
> but Same rack contains one or more datanodes.
> In this case first preference should be given to select 'rack-local' node.
> Currently, since no Node in clusterMap corresponds to client's location,
> blockplacement policy choosing a *random* node as local node and proceeding
> for further placements.
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