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From "Yongjun Zhang (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-5194) Robust support for alternate FsDatasetSpi implementations
Date Wed, 29 Oct 2014 06:24:34 GMT

    [ https://issues.apache.org/jira/browse/HDFS-5194?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14188060#comment-14188060
] 

Yongjun Zhang commented on HDFS-5194:
-------------------------------------

An update to my last comment:  I worked out a solution for HDFS-7235 by adding a new method
to FsDsatasetSpi, thanks to [~cmccabe].



> Robust support for alternate FsDatasetSpi implementations
> ---------------------------------------------------------
>
>                 Key: HDFS-5194
>                 URL: https://issues.apache.org/jira/browse/HDFS-5194
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: datanode, hdfs-client
>            Reporter: David Powell
>            Assignee: David Powell
>            Priority: Minor
>         Attachments: HDFS-5194.design.01222014.pdf, HDFS-5194.design.09112013.pdf, HDFS-5194.patch.09112013
>
>
> The existing FsDatasetSpi interface is well-positioned to permit extending Hadoop to
run natively on non-traditional storage architectures.  Before this can be done, however,
a number of gaps need to be addressed.  This JIRA documents those gaps, suggests some solutions,
and puts forth a sample implementation of some of the key changes needed.



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