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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-6700) BlockPlacementPolicy shoud choose storage but not datanode for deletion
Date Sat, 19 Jul 2014 15:00:46 GMT

    [ https://issues.apache.org/jira/browse/HDFS-6700?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14067551#comment-14067551
] 

Hudson commented on HDFS-6700:
------------------------------

SUCCESS: Integrated in Hadoop-Mapreduce-trunk #1836 (See [https://builds.apache.org/job/Hadoop-Mapreduce-trunk/1836/])
HDFS-6700. BlockPlacementPolicy shoud choose storage but not datanode for deletion. (szetszwo:
http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1611731)
* /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/blockmanagement/BlockManager.java
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/BlockPlacementPolicy.java
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/BlockPlacementPolicyDefault.java
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/BlockPlacementPolicyWithNodeGroup.java
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/DatanodeStorageInfo.java
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/blockmanagement/TestReplicationPolicy.java
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/blockmanagement/TestReplicationPolicyWithNodeGroup.java
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/ha/TestDNFencing.java


> BlockPlacementPolicy shoud choose storage but not datanode for deletion
> -----------------------------------------------------------------------
>
>                 Key: HDFS-6700
>                 URL: https://issues.apache.org/jira/browse/HDFS-6700
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: namenode
>            Reporter: Tsz Wo Nicholas Sze
>            Assignee: Tsz Wo Nicholas Sze
>            Priority: Minor
>             Fix For: 2.6.0
>
>         Attachments: h6700_20140717.patch, h6700_20140717b.patch
>
>
> HDFS-2832 changed datanode storage model from a single storage, which may correspond
to multiple physical storage medias, to a collection of storages with each storage corresponding
to a physical storage media.
> BlockPlacementPolicy.chooseReplicaToDelete still chooses replica in term of 
> DatanodeDescriptor but not DatanodeStorageInfo.



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