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From "Sreekanth Ramakrishnan (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HADOOP-4930) Implement setuid executable for Linux to assist in launching tasks as job owners
Date Tue, 30 Dec 2008 08:08:44 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-4930?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Sreekanth Ramakrishnan updated HADOOP-4930:

    Attachment: HADOOP-4930-6.patch

Attaching patch incorporating Hemanth's offline comment.

* Made changes in build.xml to introduce a new target task-controller to build task-controller
** target requires -Dhadoop.conf.dir or HADOOP_CONF_DIR set.
*** if HADOOP_CONF_DIR is set and hadoop.conf.dir is passed, then hadoop.conf.dir value is
*** if either one of them is defined then that value is used.
*** if none of t hem is defined then build fails.
** Default install directory for the binary is distribution directory/bin. This can be overriden
by passing -Dtask-controller.install.dir=$HADOOP_HOME/bin

> Implement setuid executable for Linux to assist in launching tasks as job owners
> --------------------------------------------------------------------------------
>                 Key: HADOOP-4930
>                 URL: https://issues.apache.org/jira/browse/HADOOP-4930
>             Project: Hadoop Core
>          Issue Type: Sub-task
>          Components: mapred
>            Reporter: Hemanth Yamijala
>            Assignee: Sreekanth Ramakrishnan
>         Attachments: HADOOP-4930-1.patch, HADOOP-4930-2.patch, HADOOP-4930-3.patch, HADOOP-4930-4.patch,
HADOOP-4930-5.patch, HADOOP-4930-6.patch
> HADOOP-4490 tracks the design and implementation of launching tasks as job owners. As
per discussion there, the proposal is to implement a setuid executable for Linux that would
be launched by the tasktracker to run tasks as the job owners. In this task we will track
the implementation of the setuid executable. HADOOP-4490 will be used to track changes in
the tasktracker.

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