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Interface org.apache.hadoop.hdfs.server.protocol.DatanodeProtocol

Removed Methods
long nextGenerationStamp(Block) @return the next GenerationStamp to be associated with the specified block.
DatanodeRegistration register(DatanodeRegistration) Register Datanode.
 

Added Methods
DatanodeRegistration registerDatanode(DatanodeRegistration) Register Datanode.
 

Changed Methods
DatanodeCommand[] sendHeartbeat(DatanodeRegistration, long, long, long, int, int, int) Change in signature from (DatanodeRegistration, long, long, long, int, int) to (DatanodeRegistration, long, long, long, int, int, int).
sendHeartbeat() tells the NameNode that the DataNode is still alive and well.
 

Added Fields
int DNA_ACCESSKEYUPDATE  
int FATAL_DISK_ERROR