Hadoop Cluster Commissioning and Decommissioning Nodes

To add new nodes to the cluster: 1. Add the network addresses of the new nodes to the include file. hdfs-site.xml <property> <name>dfs.hosts</name> <value>/<hadoop-home>/conf/includes</value> <final>true</final> </property> mapred-site.xml <property> <name>mapred.hosts</name> <value>/<hadoop-home>/conf/includes</value> <final>true</final> </property> Datanodes that are permitted to connect to the namenode are specified in a file whose name is specified by the dfs.hosts property. Includes file ...
1 25 26 27 28