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From "Inigo Goiri (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-10467) Router-based HDFS federation
Date Tue, 07 Jun 2016 01:29:21 GMT

    [ https://issues.apache.org/jira/browse/HDFS-10467?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15317626#comment-15317626
] 

Inigo Goiri commented on HDFS-10467:
------------------------------------

Another advantage about the proposed approach is that the Routers take care of the fail over
of the Namenodes so it simplifies that in the Client side.
Indirectly, this is using the approach that leverages centralized information which was discarded
in HDFS-7858.
This approach was discarded in that context but I think this is reasonable to do here.

> Router-based HDFS federation
> ----------------------------
>
>                 Key: HDFS-10467
>                 URL: https://issues.apache.org/jira/browse/HDFS-10467
>             Project: Hadoop HDFS
>          Issue Type: New Feature
>          Components: fs
>    Affects Versions: 2.7.2
>            Reporter: Inigo Goiri
>         Attachments: HDFS Router Federation.pdf, HDFS-Router-Federation-Prototype.patch
>
>
> Add a Router to provide a federated view of multiple HDFS clusters.



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