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https://issues.apache.org/jira/browse/HDFS-5194?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13870291#comment-13870291
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Arpit Agarwal commented on HDFS-5194:
-------------------------------------
David, comprehensive doc - you've done a lot of work on this. I skimmed through
it (won't have time to read it in detail until next week). It would be useful
to have a high level requirements or use cases section. The one requirement
that jumped out from a quick read was the need to support non file-addressable
stores.
> 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.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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