接口 org.apache.hadoop.hdfs.server.namenode.FSInodeInfo
的使用

使用FSInodeInfo的程序包

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

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

参数类型为FSInodeInfo的org.apache.hadoop.hdfs.server.namenode中的方法

限定符和类型	方法和说明
DatanodeDescriptor	BlockPlacementPolicyDefault.chooseReplicaToDelete(FSInodeInfo inode, Block block, short replicationFactor, Collection<DatanodeDescriptor> first, Collection<DatanodeDescriptor> second) Decide whether deleting the specified replica of the block still makes the block conform to the configured block placement policy.
abstract DatanodeDescriptor	BlockPlacementPolicy.chooseReplicaToDelete(FSInodeInfo srcInode, Block block, short replicationFactor, Collection<DatanodeDescriptor> existingReplicas, Collection<DatanodeDescriptor> moreExistingReplicas) Decide whether deleting the specified replica of the block still makes the block conform to the configured block placement policy.
DatanodeDescriptor[]	BlockPlacementPolicyDefault.chooseTarget(FSInodeInfo srcInode, int numOfReplicas, DatanodeDescriptor writer, List<DatanodeDescriptor> chosenNodes, long blocksize) choose numOfReplicas data nodes for writer If not, return as many as we can.