[jira] Commented: (HADOOP-5010) Document HTTP/HTTPS methods to read directory and file data

["Doug Cutting (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HADOOP-5010?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12663887#action_12663887 ] 

Doug Cutting commented on HADOOP-5010:
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So, if this is a documentation request, then we need to decide whether we indeed want to document this HTTP-based protocol.  If we do, that will encourage folks to build other tools that use it, and we will need to support it longer-term than we might otherwise.  If only GET of a file's content is required, then perhaps that's all we should document?

> Document HTTP/HTTPS methods to read directory and file data
> -----------------------------------------------------------
>
>                 Key: HADOOP-5010
>                 URL: https://issues.apache.org/jira/browse/HADOOP-5010
>             Project: Hadoop Core
>          Issue Type: Improvement
>          Components: documentation
>    Affects Versions: 0.18.0
>            Reporter: Marco Nicosia
>             Fix For: 0.20.0
>
>
> In HADOOP-1563, [~cutting] wrote:
> bq. The URI for this should be something like hftp://host:port/a/b/c, since, while HTTP will be used as the transport, this will not be a FileSystem for arbitrary HTTP urls.
> Recently, we've been talking about implementing an HDFS proxy (HADOOP-4575) which would be a secure way to make HFTP/HSFTP available. In so doing, we may even remove HFTP/HSFTP from being offered on the HDFS itself (that's another discussion).
> In the case of the HDFS proxy, does it make sense to do away with the artificial HFTP/HSFTP protocols, and instead simply offer standard HTTP and HTTPS? That would allow non-HDFS-specific clients, as well as using various standard HTTP infrastructure, such as load balancers, etc.
> NB, to the best of my knowledge, HFTP is only documented on the [distcp|http://hadoop.apache.org/core/docs/current/distcp.html] page, and HSFTP is not documented at all?

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