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

DirectoryWithSnapshotFeature.DirectoryDiff	The difference of an INodeDirectory between two snapshots.
DirectoryWithSnapshotFeature.DirectoryDiffList	A list of directory diffs.
FileDiff	The difference of an INodeFile between two snapshots.
FileDiffList	A list of FileDiffs for storing snapshot data.
FSImageFormatPBSnapshot.Loader	Loading snapshot related information from protobuf based FSImage
FSImageFormatPBSnapshot.Saver	Saving snapshot related information to protobuf based FSImage
INodeDirectorySnapshottable.SnapshotDiffInfo	A class describing the difference between snapshots of a snapshottable directory.
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.