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 |