How to kill a job using JT web interface

Document created by rsingh on Feb 13, 2016
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Author: Rajkumar Singh

 

Original Publication Date: April 27, 2015

 

Env:

Hadoop 0.20.x

 

Goal:

How to kill the job using the Job Tracker web Interface.

 

Solution:

update webinterface.private.actions in mapred-site.xml to true from false to all the nodes and restart the jobtracker.

 

By setting this to true the web interfaces for the JobTracker gain some advanced options like killing a job(please see the screenshot below). It makes life a lot easier while still in development or evaluation. But you probably should set this to false once you rely on your Hadoop cluster for production use for security purpose.

running jobs.png

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