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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-2656) Implement a pure c client based on webhdfs
Date Thu, 06 Sep 2012 01:34:07 GMT

    [ https://issues.apache.org/jira/browse/HDFS-2656?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13449346#comment-13449346
] 

Hadoop QA commented on HDFS-2656:
---------------------------------

-1 overall.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12542013/teragen_terasort_teravalidate_performance.png
  against trunk revision .

    -1 patch.  The patch command could not apply the patch.

Console output: https://builds.apache.org/job/PreCommit-HDFS-Build/3152//console

This message is automatically generated.
                
> 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
>          Components: webhdfs
>    Affects Versions: 3.0.0
>            Reporter: Zhanwei.Wang
>            Assignee: Jing Zhao
>         Attachments: HDFS-2656.patch, HDFS-2656.patch, HDFS-2656.unfinished.patch, teragen_terasort_teravalidate_performance.png
>
>
> 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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