Chapter 3. Setting Up the Hadoop Configuration

This section describes how to set up and edit the deployment configuration files for HDFS and MapReduce.

The scripts.zip file you downloaded in Download Companion Files includes two scripts, usersAndGroups.sh and directories.sh, for setting environment parameters.We strongly suggest you edit and source (alternatively, you can also copy the contents to your ~/.bash_profile) to set up these environment variables in your environment.


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