Package org.apache.hadoop.hdfs.server.namenode.sps

Interface BlockMoveTaskHandler

All Known Implementing Classes:

ExternalSPSBlockMoveTaskHandler

@Private
@Evolving
public interface BlockMoveTaskHandler

Interface for implementing different ways of block moving approaches. One can connect directly to DN and request block move, and other can talk NN to schedule via heart-beats.

Method Summary

Modifier and Type	Method	Description
void	submitMoveTask(BlockStorageMovementCommand.BlockMovingInfo blkMovingInfo)	This is an interface method to handle the move tasks.

Method Detail

submitMoveTask

void submitMoveTask(BlockStorageMovementCommand.BlockMovingInfo blkMovingInfo)
             throws java.io.IOException

This is an interface method to handle the move tasks. BlockMovingInfo must contain the required info to move the block, that source location, destination location and storage types.

Throws:

java.io.IOException