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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-6899) Allow changing MiniDFSCluster volumes per DN and capacity per volume
Date Sat, 23 Aug 2014 11:31:14 GMT

    [ https://issues.apache.org/jira/browse/HDFS-6899?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14107977#comment-14107977
] 

Hudson commented on HDFS-6899:
------------------------------

SUCCESS: Integrated in Hadoop-Yarn-trunk #655 (See [https://builds.apache.org/job/Hadoop-Yarn-trunk/655/])
HDFS-6899. Allow changing MiniDFSCluster volumes per DN and capacity per volume. (Arpit Agarwal)
(arp: http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1619970)
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/fsdataset/impl/FsVolumeImpl.java
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/MiniDFSCluster.java
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/MiniDFSClusterWithNodeGroup.java
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestSafeMode.java
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/TestBlockHasMultipleReplicasOnSameDN.java
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/TestDnRespectsBlockReportSplitThreshold.java
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/metrics/TestNameNodeMetrics.java


> Allow changing MiniDFSCluster volumes per DN and capacity per volume
> --------------------------------------------------------------------
>
>                 Key: HDFS-6899
>                 URL: https://issues.apache.org/jira/browse/HDFS-6899
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: datanode, test
>    Affects Versions: 2.5.0
>            Reporter: Arpit Agarwal
>            Assignee: Arpit Agarwal
>             Fix For: 3.0.0, 2.6.0
>
>         Attachments: HDFS-6899.01.patch, HDFS-6899.02.patch, HDFS-6899.03.patch, HDFS-6899.04.patch,
HDFS-6899.05.patch, HDFS-6899.06.patch
>
>
> MiniDFSCluster hardcodes the number of directories per volume to two. Propose removing
the hard-coded restriction.
> It would be useful to limit the capacity of individual storage directories for testing
purposes. There is already a way to do so for SimulatedFSDataset, we can add one when using
real volumes.



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