Using Apache MapReduce

MapReduce is used in Hadoop for processing massive amounts of data efficiently.

MapReduce Configuration Properties

MapReduce configuration properties included in Big Data Service 3.1.1 or later.

Configuration Property Description
mapred-env mapred_hadoop_opts Hadoop options for MapReduce
mapred_secure_opts MapReduce History Server Java options if security is enabled
mapred_remotejmx_opts MapReduce History Server Java options if remote JMX is enabled