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https://issues.apache.org/jira/browse/HDFS-5194?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13879316#comment-13879316
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David Powell commented on HDFS-5194:
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I've updated the design document to include a conclusion section that calls out
the key requirements a solution should satisfy.
In the absence of feedback, my intention is to continue to generate sub-JIRAs
that incrementally move HDFS towards the goal established by the design
document. I'd like to avoid heading off in the wrong direction, though, so I'm
eager to hear what the community has to say.
> 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
> 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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