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From "Alejandro Abdelnur (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-2178) Contributing Hoop to HDFS, replacement for HDFS proxy with read/write capabilities
Date Tue, 06 Dec 2011 17:47:40 GMT

    [ https://issues.apache.org/jira/browse/HDFS-2178?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13163712#comment-13163712
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Alejandro Abdelnur commented on HDFS-2178:
------------------------------------------

I've missed something before, Hoop actually depends on the HDFS JAR. HDFS JAR has to go into
its WAR.

Regarding having testcases in a diff module than the classes being tested, it may be confusing/misleading
to developers that testcases are not present. Plus changes won't be tested if you are working
on that module (only when running the full tests from trunk or the test of another module).
Granted, much of the tests we are doing should be integration tests (and in this case, yes
they should go into another module, but it is not how we have things today).
                
> 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: 0.24.0, 0.23.1
>
>         Attachments: HDFS-2178.patch, HDFS-2178.patch, HDFS-2178.patch, HDFS-2178.patch,
HDFS-2178.patch, HDFS-2178.patch, 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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