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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-2108) Move datanode heartbeat handling to BlockManager
Date Fri, 05 Aug 2011 08:36:36 GMT

    [ https://issues.apache.org/jira/browse/HDFS-2108?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13079840#comment-13079840
] 

Hudson commented on HDFS-2108:
------------------------------

Integrated in Hadoop-Hdfs-trunk #738 (See [https://builds.apache.org/job/Hadoop-Hdfs-trunk/738/])
    HDFS-2108. Move datanode heartbeat handling from namenode package to blockmanagement package.

szetszwo : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1154042
Files : 
* /hadoop/common/trunk/hdfs/src/java/org/apache/hadoop/hdfs/server/namenode/FSNamesystem.java
* /hadoop/common/trunk/hdfs/CHANGES.txt
* /hadoop/common/trunk/hdfs/src/test/hdfs/org/apache/hadoop/hdfs/server/blockmanagement/TestNodeCount.java
* /hadoop/common/trunk/hdfs/src/java/org/apache/hadoop/hdfs/server/blockmanagement/HeartbeatManager.java
* /hadoop/common/trunk/hdfs/src/test/hdfs/org/apache/hadoop/hdfs/server/namenode/TestNodeCount.java
* /hadoop/common/trunk/hdfs/src/test/hdfs/org/apache/hadoop/hdfs/server/namenode/TestBlocksWithNotEnoughRacks.java
* /hadoop/common/trunk/hdfs/src/java/org/apache/hadoop/hdfs/server/blockmanagement/DecommissionManager.java
* /hadoop/common/trunk/hdfs/src/java/org/apache/hadoop/hdfs/server/blockmanagement/DatanodeStatistics.java
* /hadoop/common/trunk/hdfs/src/java/org/apache/hadoop/hdfs/protocol/ClientProtocol.java
* /hadoop/common/trunk/hdfs/src/java/org/apache/hadoop/hdfs/server/blockmanagement/DatanodeManager.java
* /hadoop/common/trunk/hdfs/src/test/hdfs/org/apache/hadoop/hdfs/server/blockmanagement/TestBlocksWithNotEnoughRacks.java
* /hadoop/common/trunk/hdfs/src/test/hdfs/org/apache/hadoop/hdfs/server/blockmanagement/BlockManagerTestUtil.java
* /hadoop/common/trunk/hdfs/src/test/hdfs/org/apache/hadoop/hdfs/server/blockmanagement/TestComputeInvalidateWork.java
* /hadoop/common/trunk/hdfs/src/test/hdfs/org/apache/hadoop/hdfs/server/namenode/NNThroughputBenchmark.java
* /hadoop/common/trunk/hdfs/src/test/hdfs/org/apache/hadoop/hdfs/server/blockmanagement/TestHeartbeatHandling.java
* /hadoop/common/trunk/hdfs/src/java/org/apache/hadoop/hdfs/server/namenode/NamenodeJspHelper.java
* /hadoop/common/trunk/hdfs/src/test/hdfs/org/apache/hadoop/hdfs/server/namenode/TestNamenodeCapacityReport.java
* /hadoop/common/trunk/hdfs/src/test/hdfs/org/apache/hadoop/hdfs/TestMissingBlocksAlert.java
* /hadoop/common/trunk/hdfs/src/java/org/apache/hadoop/hdfs/server/blockmanagement/BlockPlacementPolicyDefault.java
* /hadoop/common/trunk/hdfs/src/java/org/apache/hadoop/hdfs/server/blockmanagement/BlockManager.java
* /hadoop/common/trunk/hdfs/src/test/hdfs/org/apache/hadoop/hdfs/server/namenode/TestOverReplicatedBlocks.java
* /hadoop/common/trunk/hdfs/src/test/hdfs/org/apache/hadoop/hdfs/server/blockmanagement/TestOverReplicatedBlocks.java
* /hadoop/common/trunk/hdfs/src/java/org/apache/hadoop/hdfs/server/namenode/NameNode.java


> Move datanode heartbeat handling to BlockManager
> ------------------------------------------------
>
>                 Key: HDFS-2108
>                 URL: https://issues.apache.org/jira/browse/HDFS-2108
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: name-node
>            Reporter: Tsz Wo (Nicholas), SZE
>            Assignee: Tsz Wo (Nicholas), SZE
>             Fix For: 0.23.0
>
>         Attachments: h2108_20110727.patch, h2108_20110727b.patch, h2108_20110801.patch,
h2108_20110802.patch, h2108_20110804.patch
>
>
> Logically, datanodes should heartbeat to block manager instead of name system.  Therefore,
we should move datanode heartbeat handling code to {{BlockManager}}.

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