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From "Sanjay Radia (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-2141) Remove NameNode roles Active and Standby (they become states)
Date Tue, 19 Jul 2011 00:14:57 GMT

     [ https://issues.apache.org/jira/browse/HDFS-2141?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Sanjay Radia updated HDFS-2141:
-------------------------------

    Summary: Remove NameNode roles Active and Standby (they become states)  (was: Remove NameNode
roles Active and Standby)

> 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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