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https://issues.apache.org/jira/browse/HADOOP-4930?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sreekanth Ramakrishnan updated HADOOP-4930:
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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 binary.
** 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 used.
*** 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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