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https://issues.apache.org/jira/browse/HDFS-2316?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13145842#comment-13145842
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Alejandro Abdelnur commented on HDFS-2316:
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Regarding #3, IMO having parts of the URL being case sensitive (the path & the
param names) and part of the url being case sensitive (the param values) is an
issue. We cannot make the path case-insensitive because file names are not.
Because of that I'm suggesting all case sensitive. But if we make the the param
names case insensitive we should make the param values case insensitive as
well. We just have to make sure we don't modify the case of parameters as in
certain cases (a rename or a changeOwner may cause undesirable results).
Regarding #4, pathSuffix is good. Still this means that a FileStatus response
requires knowledge of the requested URL to be able to know which file we are
talking about.
Regarding #5, If we are going to support XML, we can easily add the root
elements to XML. Adding a couple of nested levels because of XML conversion
does not seem right. Furthermore, I would assume that for performance reasons,
when generating XML we'll do directly XML via a Provider, we won't generate
JSON and then convert it to XML.
Regarding #6, Regardless if Hoop as a FileSystem implementation, they should be
interoperable. This would mean that a distcp would work without changes even if
the infrastructure setup changes from hoop to webhdfs or viceversa.
Thanks.
Alejandro
> webhdfs: a complete FileSystem implementation for accessing HDFS over HTTP
> --------------------------------------------------------------------------
>
> Key: HDFS-2316
> URL: https://issues.apache.org/jira/browse/HDFS-2316
> Project: Hadoop HDFS
> Issue Type: New Feature
> Reporter: Tsz Wo (Nicholas), SZE
> Assignee: Tsz Wo (Nicholas), SZE
> Attachments: WebHdfsAPI20111020.pdf, WebHdfsAPI20111103.pdf
>
>
> We current have hftp for accessing HDFS over HTTP. However, hftp is a
> read-only FileSystem and does not provide "write" accesses.
> In HDFS-2284, we propose to have webhdfs for providing a complete FileSystem
> implementation for accessing HDFS over HTTP. The is the umbrella JIRA for
> the tasks.
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