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svn merge -c 1242891 from trunk for HDFS-2931. 

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-0.23@1242892 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Tsz-wo Sze 2012-02-10 19:16:28 +00:00
parent eb5cc10881
commit d69a00ab9e
2 changed files with 8 additions and 3 deletions
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3
hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
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@ -13,6 +13,9 @@ Release 0.23.2 - UNRELEASED
IMPROVEMENTS
HDFS-2931. Switch DataNode's BlockVolumeChoosingPolicy to private-audience.
(harsh via szetszwo)
OPTIMIZATIONS
BUG FIXES

8
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/BlockVolumeChoosingPolicy.java
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@ -28,10 +28,12 @@ import org.apache.hadoop.hdfs.server.datanode.FSDatasetInterface.FSVolumeInterfa
* BlockVolumeChoosingPolicy allows a DataNode to
* specify what policy is to be used while choosing
* a volume for a block request.
*
*
* Note: This is an evolving i/f and is only for
* advanced use.
*
***************************************************/
@InterfaceAudience.Public
@InterfaceStability.Evolving
@InterfaceAudience.Private
public interface BlockVolumeChoosingPolicy {
/**