Configuring the MapReduce Shuffle Address

Scenario

When the MapReduce shuffle service is started, it attempts to bind an IP address based on local host. If the MapReduce shuffle service is required to connect to a specific IP address, no configuration is available. The following description allows you to configure a connection to a specific IP address.

Configuration

To bind a specific IP address to the MapReduce shuffle service, set the following parameters in the mapred-site.xml configuration file of the node where the NodeManager instance resides:

**Table 1** Parameter description
Parameter	Description	Default Value
mapreduce.shuffle.address	Indicates the specified address to run the shuffle service. The format is IP:PORT. The default value is empty. If this parameter is left empty, the local host IP address is bound. The default port number is 13562. NOTE: If the value of PORT is different from that of mapreduce.shuffle.port, the mapreduce.shuffle.port value does not take effect.	-