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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-7369) Erasure coding: distribute recovery work for striped blocks to DataNode
Date Wed, 30 Sep 2015 16:02:43 GMT

    [ https://issues.apache.org/jira/browse/HDFS-7369?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14937426#comment-14937426
] 

Hudson commented on HDFS-7369:
------------------------------

FAILURE: Integrated in Hadoop-trunk-Commit #8548 (See [https://builds.apache.org/job/Hadoop-trunk-Commit/8548/])
HDFS-7369. Erasure coding: distribute recovery work for striped blocks (zhezhang: rev 57a84c0d149b693c913416975cafe6de4e23c321)
* hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/DatanodeManager.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/server/blockmanagement/TestRecoverStripedBlocks.java
* hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/blockmanagement/TestBlockManager.java
* hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/BlockCollection.java
* hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/INodeFile.java
* hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/blockmanagement/BlockManagerTestUtil.java
* hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/protocol/DatanodeProtocol.java
* hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/blockmanagement/TestReplicationPolicy.java
* hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/protocol/BlockECRecoveryCommand.java
* hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/DatanodeDescriptor.java


> Erasure coding: distribute recovery work for striped blocks to DataNode
> -----------------------------------------------------------------------
>
>                 Key: HDFS-7369
>                 URL: https://issues.apache.org/jira/browse/HDFS-7369
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>            Reporter: Zhe Zhang
>            Assignee: Zhe Zhang
>             Fix For: HDFS-7285
>
>         Attachments: HDFS-7369-000-part1.patch, HDFS-7369-000-part2.patch, HDFS-7369-001.patch,
HDFS-7369-002.patch, HDFS-7369-003.patch, HDFS-7369-004.patch
>
>
> This JIRA updates NameNode to handle background / offline recovery of erasure coded blocks.
It includes 2 parts:
> # Extend {{UnderReplicatedBlocks}} to recognize EC blocks and insert them to appropriate
priority levels. 
> # Update {{ReplicationMonitor}} to distinguish block codec tasks and send a new DataNode
command.



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