Configuration Files for Jobs and Applications

In the event that you need to override the MapReduce default configuration, note the location of the MapReduce configuration file:

MapReduce Version Configuration File Locations
MapReduce Version 2
  • /opt/mapr/hadoop/hadoop-2.x.x/etc/hadoop/mapred-site.xml
  • /opt/mapr/hadoop/hadoop-2.x.x/etc/hadoop/yarn-site.xml

In the event that you need to override the default configuration for applications, the yarn-site.xml is in the following directory: /opt/mapr/hadoop/hadoop-2.x.x/etc/hadoop