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From "Zhanwei.Wang (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-2656) Implement a pure c client based on webhdfs
Date Mon, 26 Mar 2012 18:26:29 GMT

    [ https://issues.apache.org/jira/browse/HDFS-2656?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13238651#comment-13238651
] 

Zhanwei.Wang commented on HDFS-2656:
------------------------------------

Hi everyone,
The code of this jira proposed is almost finished and will available soon. It is more complicated
than what I thought and cost me more time. The following is the current status of the code.

Status update:

1, finished:
    most functions in hdfs.h of libhdfs are implemented.

2, on-going:
    function test.
    unit test.
    document

3, todo:
    kerberos support.
    http proxy support.
    some performance improvement




                
> Implement a pure c client based on webhdfs
> ------------------------------------------
>
>                 Key: HDFS-2656
>                 URL: https://issues.apache.org/jira/browse/HDFS-2656
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>            Reporter: Zhanwei.Wang
>
> Currently, the implementation of libhdfs is based on JNI. The overhead of JVM seems a
little big, and libhdfs can also not be used in the environment without hdfs.
> It seems a good idea to implement a pure c client by wrapping webhdfs. It also can be
used to access different version of hdfs.

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