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From "Tom White (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-4998) Implement a native OS runtime for Hadoop
Date Wed, 23 Dec 2009 20:30:29 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-4998?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12794210#action_12794210
] 

Tom White commented on HADOOP-4998:
-----------------------------------

Having getUserName() for the Java method and getUsername() for the native method is confusing,
so I would introduce another class with the native methods (JniPlatformCall) and delegate
to it from PlatformCall.

> Implement a native OS runtime for Hadoop
> ----------------------------------------
>
>                 Key: HADOOP-4998
>                 URL: https://issues.apache.org/jira/browse/HADOOP-4998
>             Project: Hadoop Common
>          Issue Type: New Feature
>          Components: native
>            Reporter: Arun C Murthy
>            Assignee: Arun C Murthy
>             Fix For: 0.21.0
>
>         Attachments: hadoop-4998-1.patch
>
>
> It would be useful to implement a JNI-based runtime for Hadoop to get access to the native
OS runtime. This would allow us to stop relying on exec'ing bash to get access to information
such as user-groups, process limits etc. and for features such as chown/chgrp (org.apache.hadoop.util.Shell).

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