8. MapReduce Service Ports

The following table lists the default ports used by the various MapReduce services.

Table 1.8. MapReduce Service Ports
Service	Servers	Default Ports Used	Protocol	Description	Need End User Access?	Configuration Parameters
MapReduce		10020	http	MapReduce JobHistory server address		`mapreduce.jobhistory.address`
MapReduce		19888	http	MapReduce JobHistory webapp address		`mapreduce.jobhistory.webapp.address`
MapReduce		13562	http	MapReduce Shuffle Port		`mapreduce.shuffle.port`