类 org.apache.hadoop.hdfs.server.namenode.BlockPlacementPolicyDefault
的使用

使用BlockPlacementPolicyDefault的程序包

程序包	说明
org.apache.hadoop.hdfs.server.namenode

org.apache.hadoop.hdfs.server.namenode中BlockPlacementPolicyDefault的使用

org.apache.hadoop.hdfs.server.namenode中BlockPlacementPolicyDefault的子类

限定符和类型	类和说明
class	BlockPlacementPolicyWithNodeGroup The class is responsible for choosing the desired number of targets for placing block replicas on environment with node-group layer.