October 2018
Beginner
220 pages
5h 33m
English
Content preview from Apache Hadoop 3 Quick Start Guide
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Configuring a MapReduce environment
When you install the Hadoop environment, the default environment is set up with MapReduce. You do not need to make any major changes in configuration. However, if you wish to run MapReduce program in an environment that is already set up, please ensure that the following property is set to local or classic in mapred-site.xml:
<property> <name>mapreduce.framework.name</name> <value>local</value></property>
I have elaborated on this property in detail in the next section.
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