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From "Suresh Srinivas (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-4945) A Distributed and Cooperative NameNode Cluster for a Highly-Available HDFS
Date Sun, 30 Jun 2013 04:38:20 GMT

    [ https://issues.apache.org/jira/browse/HDFS-4945?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13696269#comment-13696269
] 

Suresh Srinivas commented on HDFS-4945:
---------------------------------------

Some comments:
# I have hardtime understanding "two NameNodes have to share a highly-reliable sophisticated
storage" - what is sophisticated about having an NFS mount point, currently used for storing
FSImage?
# For the sake of completeness please include information related federation which can support
multiple namenodes in a cluster
# Please add a design document.
# Do you have a prototype working?


Why is Affects Version/s set to HDFS-1623?
                
> A Distributed and Cooperative NameNode Cluster for a Highly-Available HDFS
> --------------------------------------------------------------------------
>
>                 Key: HDFS-4945
>                 URL: https://issues.apache.org/jira/browse/HDFS-4945
>             Project: Hadoop HDFS
>          Issue Type: New Feature
>          Components: auto-failover
>    Affects Versions: HA branch (HDFS-1623)
>            Reporter: Yonghwan Kim
>              Labels: documentation
>
> See the following comment for detailed description.

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