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From "Henry Robinson (Updated) (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-3110) libhdfs implementation of direct read API
Date Mon, 02 Apr 2012 04:11:07 GMT

     [ https://issues.apache.org/jira/browse/HDFS-3110?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Henry Robinson updated HDFS-3110:

    Attachment: HDFS-3110.1.patch

Here's a patch with a simple smoke test. I have also reworked test-libhdfs.sh to work against
trunk, since it had not been updated since the days of the ant build. 

After setting HADOOP_HOME, running test-libhdfs.sh spins up a mini cluster (from HDFS-3167)
and runs the tests correctly for me from a checkout of trunk. This is a better situation than
before, even though the script is not yet integrated with the automatic build (there is a
todo in the hdfs pom.xml for this).

Let me know if I should split the refactor of the test script up from this JIRA. 
> libhdfs implementation of direct read API
> -----------------------------------------
>                 Key: HDFS-3110
>                 URL: https://issues.apache.org/jira/browse/HDFS-3110
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: libhdfs
>            Reporter: Henry Robinson
>            Assignee: Henry Robinson
>             Fix For: 0.24.0
>         Attachments: HDFS-3110.0.patch, HDFS-3110.1.patch
> Once HDFS-2834 gets committed, we can add support for the new API to libhdfs, which leads
to significant performance increases when reading local data from C.

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