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

Interface Summary

SnapshotStats

This is an interface used to retrieve statistic information related to snapshots

Class Summary

FileWithSnapshot.FileDiff	The difference of an INodeFile between two snapshots.
FileWithSnapshot.FileDiffList	A list of FileDiffs for storing snapshot data.
FileWithSnapshot.Util	Utility methods for the classes which implement the interface.
INodeDirectorySnapshottable.SnapshotDiffInfo	A class describing the difference between snapshots of a snapshottable directory.
INodeDirectoryWithSnapshot	The directory with snapshots.
INodeDirectoryWithSnapshot.DirectoryDiff	The difference of an INodeDirectory between two snapshots.
INodeDirectoryWithSnapshot.DirectoryDiffList	A list of directory diffs.
Snapshot.Root	The root directory of the snapshot.
SnapshotFSImageFormat	A helper class defining static methods for reading/writing snapshot related information from/to FSImage.
SnapshotFSImageFormat.ReferenceMap	A reference map for fsimage serialization.
SnapshotManager	Manage snapshottable directories and their snapshots.