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https://issues.apache.org/jira/browse/HDFS-2141?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13067671#comment-13067671
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Hudson commented on HDFS-2141:
------------------------------
Integrated in Hadoop-Hdfs-trunk #729 (See
[https://builds.apache.org/job/Hadoop-Hdfs-trunk/729/])
HDFS-2141. Remove NameNode roles Active and Standby (they become states of
the namenode). Contributed by Suresh Srinivas.
suresh : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1148125
Files :
*
/hadoop/common/trunk/hdfs/src/test/unit/org/apache/hadoop/hdfs/server/namenode/TestNNLeaseRecovery.java
* /hadoop/common/trunk/hdfs/CHANGES.txt
*
/hadoop/common/trunk/hdfs/src/java/org/apache/hadoop/hdfs/server/common/HdfsConstants.java
*
/hadoop/common/trunk/hdfs/src/java/org/apache/hadoop/hdfs/server/namenode/BackupNode.java
*
/hadoop/common/trunk/hdfs/src/test/hdfs/org/apache/hadoop/hdfs/server/namenode/TestSaveNamespace.java
*
/hadoop/common/trunk/hdfs/src/test/hdfs/org/apache/hadoop/hdfs/server/namenode/TestEditLogRace.java
*
/hadoop/common/trunk/hdfs/src/java/org/apache/hadoop/hdfs/server/namenode/FSImage.java
*
/hadoop/common/trunk/hdfs/src/java/org/apache/hadoop/hdfs/server/namenode/NameNode.java
> Remove NameNode roles Active and Standby (they become states)
> -------------------------------------------------------------
>
> Key: HDFS-2141
> URL: https://issues.apache.org/jira/browse/HDFS-2141
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: name-node
> Reporter: Suresh Srinivas
> Assignee: Suresh Srinivas
> Fix For: 0.23.0
>
> Attachments: HDFS-2141.1.patch, HDFS-2141.patch
>
>
> In HDFS, following roles are supported in NameNodeRole: ACTIVE, BACKUP,
> CHECKPOINT and STANDBY.
> Active and Standby are the state of the NameNode. While Backup and CheckPoint
> are the name/role of the daemons that are started. This mixes up the run time
> state of NameNode with the daemon role. I propose changing the NameNodeRole
> to: NAMENODE, BACKUP, CHECKPOINT. HDFS-1974 will introduce the states active
> and standby to the daemon that is running in the role NAMENODE.
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