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https://issues.apache.org/jira/browse/HDFS-6376?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14124494#comment-14124494
]
Hudson commented on HDFS-6376:
------------------------------
SUCCESS: Integrated in Hadoop-Hdfs-trunk #1863 (See
[https://builds.apache.org/job/Hadoop-Hdfs-trunk/1863/])
HDFS-6376. Distcp data between two HA clusters requires another configuration.
Contributed by Dave Marion and Haohui Mai. (jing: rev
c6107f566ff01e9bfee9052f86f6e5b21d5e89f3)
*
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/DFSUtil.java
* hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
*
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestDFSUtil.java
*
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/DFSConfigKeys.java
*
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/TestBlockPoolManager.java
* hadoop-hdfs-project/hadoop-hdfs/src/main/resources/hdfs-default.xml
*
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/tools/GetConf.java
*
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/BlockPoolManager.java
*
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/tools/TestGetConf.java
> Distcp data between two HA clusters requires another configuration
> ------------------------------------------------------------------
>
> Key: HDFS-6376
> URL: https://issues.apache.org/jira/browse/HDFS-6376
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: datanode, federation, hdfs-client
> Affects Versions: 2.2.0, 2.3.0, 2.4.0
> Environment: Hadoop 2.3.0
> Reporter: Dave Marion
> Assignee: Dave Marion
> Fix For: 3.0.0, 2.6.0
>
> Attachments: HDFS-6376-2.patch, HDFS-6376-3-branch-2.4.patch,
> HDFS-6376-4-branch-2.4.patch, HDFS-6376-5-trunk.patch,
> HDFS-6376-6-trunk.patch, HDFS-6376-7-trunk.patch, HDFS-6376-branch-2.4.patch,
> HDFS-6376-patch-1.patch, HDFS-6376.000.patch, HDFS-6376.008.patch,
> HDFS-6376.009.patch, HDFS-6376.010.patch, HDFS-6376.011.patch
>
>
> User has to create a third set of configuration files for distcp when
> transferring data between two HA clusters.
> Consider the scenario in [1]. You cannot put all of the required properties
> in core-site.xml and hdfs-site.xml for the client to resolve the location of
> both active namenodes. If you do, then the datanodes from cluster A may join
> cluster B. I can not find a configuration option that tells the datanodes to
> federate blocks for only one of the clusters in the configuration.
> [1]
> http://mail-archives.apache.org/mod_mbox/hadoop-user/201404.mbox/%3CBAY172-W2133964E0C283968C161DD1520%40phx.gbl%3E
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