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From "Alejandro Abdelnur (Updated) (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-2178) Contributing Hoop to HDFS, replacement for HDFS proxy with read/write capabilities
Date Thu, 20 Oct 2011 20:39:12 GMT

     [ https://issues.apache.org/jira/browse/HDFS-2178?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Alejandro Abdelnur updated HDFS-2178:
-------------------------------------

    Attachment: HDFS-2178.patch

Patch adding Hoop to Hadoop HDFS project.

* It uses the HTTP REST API previously posted in this JIRA (it uses a handle request for create
and append to support redirection)
* It is a new Maven module, hadoop-hdfs-httpfs
* It adds a HttpFileSystem client to hadoop-common as well as its registration in core-site.xml
* It runs a a separate service, httpfs.
* It is integrated in the final tar following new layout convention.
* It uses a tomcat server to run the httpfs webapplication (tomcat is bundled and preconfigured
with it).
* It has documentation and it is fully javadoc.
* It supports pseudo & kerberos authentication.

                
> Contributing Hoop to HDFS, replacement for HDFS proxy with read/write capabilities
> ----------------------------------------------------------------------------------
>
>                 Key: HDFS-2178
>                 URL: https://issues.apache.org/jira/browse/HDFS-2178
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>    Affects Versions: 0.23.0
>            Reporter: Alejandro Abdelnur
>            Assignee: Alejandro Abdelnur
>             Fix For: 0.23.0
>
>         Attachments: HDFS-2178.patch, HDFSoverHTTP-API.html, HdfsHttpAPI.pdf
>
>
> We'd like to contribute Hoop to Hadoop HDFS as a replacement (an improvement) for HDFS
Proxy.
> Hoop provides access to all Hadoop Distributed File System (HDFS) operations (read and
write) over HTTP/S.
> The Hoop server component is a REST HTTP gateway to HDFS supporting all file system operations.
It can be accessed using standard HTTP tools (i.e. curl and wget), HTTP libraries from different
programing languages (i.e. Perl, Java Script) as well as using the Hoop client. The Hoop server
component is a standard Java web-application and it has been implemented using Jersey (JAX-RS).
> The Hoop client component is an implementation of Hadoop FileSystem client that allows
using the familiar Hadoop filesystem API to access HDFS data through a Hoop server.
>   Repo: https://github.com/cloudera/hoop
>   Docs: http://cloudera.github.com/hoop
>   Blog: http://www.cloudera.com/blog/2011/07/hoop-hadoop-hdfs-over-http/
> Hoop is a Maven based project that depends on Hadoop HDFS and Alfredo (for Kerberos HTTP
SPNEGO authentication). 
> To make the integration easy, HDFS Mavenization (HDFS-2096) would have to be done first,
as well as the Alfredo contribution (HADOOP-7119).

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