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From "Justin Joseph (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-2124) Namenode HA using Backup Namenode as Hot Standby
Date Mon, 04 Jul 2011 09:16:21 GMT

     [ https://issues.apache.org/jira/browse/HDFS-2124?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Justin Joseph updated HDFS-2124:
--------------------------------

    Attachment: Namenode HA using Backup Namenode as Hot Standby.pdf

The solution document is attached

> Namenode HA using Backup Namenode as Hot Standby
> ------------------------------------------------
>
>                 Key: HDFS-2124
>                 URL: https://issues.apache.org/jira/browse/HDFS-2124
>             Project: Hadoop HDFS
>          Issue Type: New Feature
>          Components: data-node, hdfs client, name-node
>    Affects Versions: 0.20.2, 0.21.0
>            Reporter: Justin Joseph
>         Attachments: Namenode HA using Backup Namenode as Hot Standby.pdf
>
>
> This is to share our experiences on building Automatic, Hot High Availability for Namenode,
leveraging the existing Backup Namenode.

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