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https://issues.apache.org/jira/browse/HADOOP-1563?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12510796
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Doug Cutting commented on HADOOP-1563:
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> factor out the directory content parsing into a separate method so that it
> can be replaced in subclasses.
Sure, that'd be easy, if we need to subclass. Do we really? Are there
required features that cannot be supported by delivering HTML? Will those
features be guaranteed not to change from version-to-version, potentially
compromising bi-directional compatibility?
> Create FileSystem implementation to read HDFS data via http
> -----------------------------------------------------------
>
> Key: HADOOP-1563
> URL: https://issues.apache.org/jira/browse/HADOOP-1563
> Project: Hadoop
> Issue Type: New Feature
> Components: fs
> Affects Versions: 0.14.0
> Reporter: Owen O'Malley
> Assignee: Chris Douglas
> Attachments: httpfs.patch
>
>
> There should be a FileSystem implementation that can read from a Namenode's
> http interface. This would have a couple of useful abilities:
> 1. Copy using distcp between different versions of HDFS.
> 2. Use map/reduce inputs from a different version of HDFS.
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