hadoop/hadoop-hdfs-project/hadoop-hdfs/CHANGES.HDFS-2802.txt

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Branch-2802 Snapshot (Unreleased)
HDFS-4076. Support snapshot of single files. (szetszwo)
HDFS-4082. Add editlog opcodes for snapshot create and delete operations.
(suresh via szetszwo)
HDFS-4086. Add editlog opcodes to allow and disallow snapshots on a
directory. (Brandon Li via suresh)
HDFS-4083. Protocol changes for snapshots. (suresh)
HDFS-4077. Add support for Snapshottable Directory. (Nicholas via suresh)
HDFS-4087. Protocol changes for listSnapshots functionality.
(Brandon Li via suresh)
HDFS-4079. Add SnapshotManager which maintains a list for all the
snapshottable directories and supports snapshot methods such as setting a
directory to snapshottable and creating a snapshot. (szetszwo)
HDFS-4078. Handle replication in snapshots. (szetszwo)
HDFS-4084. Provide CLI support to allow and disallow snapshot
on a directory. (Brondon Li via suresh)
HDFS-4091. Add snapshot quota to limit the number of snapshots allowed.
(szetszwo)