- All Superinterfaces:
- org.apache.hadoop.io.Writable
- All Known Implementing Classes:
- FSCheckpointID, TaskCheckpointID
public interface CheckpointID
extends org.apache.hadoop.io.Writable
This class represent the identified (memento) for a checkpoint. It is allowed
to contain small amount of metadata about a checkpoint and must provide
sufficient information to the corresponding CheckpointService to locate and
retrieve the data contained in the checkpoint.