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https://issues.apache.org/jira/browse/HDFS-6961?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14140364#comment-14140364
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Hudson commented on HDFS-6961:
------------------------------
SUCCESS: Integrated in Hadoop-Yarn-trunk #685 (See
[https://builds.apache.org/job/Hadoop-Yarn-trunk/685/])
HDFS-6961. Archival Storage: BlockPlacementPolicy#chooseTarget should check
each valid storage type in each choosing round. (jing9: rev
e08701ec71f7c10d8f15122d90c35f9f22e40837)
*
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/BlockPlacementPolicyDefault.java
*
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestBlockStoragePolicy.java
*
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/BlockStoragePolicy.java
*
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/BlockManager.java
*
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/DFSTestUtil.java
*
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/BlockPlacementPolicyWithNodeGroup.java
> Archival Storage: BlockPlacementPolicy#chooseTarget should check each valid
> storage type in each choosing round
> ---------------------------------------------------------------------------------------------------------------
>
> Key: HDFS-6961
> URL: https://issues.apache.org/jira/browse/HDFS-6961
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: balancer, namenode
> Reporter: Jing Zhao
> Assignee: Jing Zhao
> Attachments: HDFS-6961.000.patch, HDFS-6961.001.patch,
> HDFS-6961.002.patch, HDFS-6961.002.patch, HDFS-6961.003.patch
>
>
> Currently in each choosing round of BlockPlacementPolicy#chooseTarget (e.g.,
> round 1 for choosing local storage, round 2 for remote rack, etc.), we only
> take into account the first storage type in the storage type list. This may
> fail to choose the local machine or sometimes may even fail to choose enough
> nodes.
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