f29fa9e820
git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/HDFS-2802@1448504 13f79535-47bb-0310-9956-ffa450edef68
170 lines
6.5 KiB
Plaintext
170 lines
6.5 KiB
Plaintext
Branch-2802 Snapshot (Unreleased)
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HDFS-4076. Support snapshot of single files. (szetszwo)
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HDFS-4082. Add editlog opcodes for snapshot create and delete operations.
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(suresh via szetszwo)
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HDFS-4086. Add editlog opcodes to allow and disallow snapshots on a
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directory. (Brandon Li via suresh)
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HDFS-4083. Protocol changes for snapshots. (suresh)
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HDFS-4077. Add support for Snapshottable Directory. (szetszwo via suresh)
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HDFS-4087. Protocol changes for listSnapshots functionality.
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(Brandon Li via suresh)
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HDFS-4079. Add SnapshotManager which maintains a list for all the
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snapshottable directories and supports snapshot methods such as setting a
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directory to snapshottable and creating a snapshot. (szetszwo)
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HDFS-4078. Handle replication in snapshots. (szetszwo)
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HDFS-4084. Provide CLI support to allow and disallow snapshot
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on a directory. (Brondon Li via suresh)
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HDFS-4091. Add snapshot quota to limit the number of snapshots allowed.
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(szetszwo)
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HDFS-4097. Provide CLI support for createSnapshot. (Brandon Li via suresh)
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HDFS-4092. Update file deletion logic for snapshot so that the current inode
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is removed from the circular linked list; and if some blocks at the end of the
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block list no longer belong to any other inode, collect them and update the
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block list. (szetszwo)
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HDFS-4111. Support snapshot of subtrees. (szetszwo via suresh)
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HDFS-4119. Complete the allowSnapshot code and add a test for it. (szetszwo)
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HDFS-4133. Add testcases for testing basic snapshot functionalities.
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(Jing Zhao via suresh)
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HDFS-4116. Add auditlog for some snapshot operations. (Jing Zhao via suresh)
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HDFS-4095. Add some snapshot related metrics. (Jing Zhao via suresh)
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HDFS-4141. Support directory diff - the difference between the current state
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and a previous snapshot of an INodeDirectory. (szetszwo)
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HDFS-4146. Use getter and setter in INodeFileWithLink to access blocks and
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initialize root directory as snapshottable. (szetszwo)
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HDFS-4149. Implement the disallowSnapshot(..) in FSNamesystem and add
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resetSnapshottable(..) to SnapshotManager. (szetszwo)
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HDFS-4147. When there is a snapshot in a subtree, deletion of the subtree
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should fail. (Jing Zhao via szetszwo)
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HDFS-4150. Update the inode in the block map when a snapshotted file or a
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snapshot file is deleted. (Jing Zhao via szetszwo)
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HDFS-4159. Rename should fail when the destination directory is snapshottable
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and has snapshots. (Jing Zhao via szetszwo)
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HDFS-4170. Add snapshot information to INodesInPath. (szetszwo)
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HDFS-4177. Add a snapshot parameter to INodeDirectory.getChildrenList() for
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selecting particular snapshot children list views. (szetszwo)
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HDFS-4148. Disallow write/modify operations on files and directories in a
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snapshot. (Brandon Li via suresh)
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HDFS-4188. Add Snapshot.ID_COMPARATOR for comparing IDs and fix a bug in
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ReadOnlyList.Util.binarySearch(..). (szetszwo)
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HDFS-4187. Add tests for replication handling in snapshots. (Jing Zhao via
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szetszwo)
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HDFS-4196. Support renaming of snapshots. (Jing Zhao via szetszwo)
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HDFS-4175. Additional snapshot tests for more complicated directory
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structure and modifications. (Jing Zhao via suresh)
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HDFS-4293. Fix TestSnapshot failure. (Jing Zhao via suresh)
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HDFS-4317. Change INode and its subclasses to support HDFS-4103. (szetszwo)
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HDFS-4103. Support O(1) snapshot creation. (szetszwo)
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HDFS-4330. Support snapshots up to the snapshot limit. (szetszwo)
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HDFS-4357. Fix a bug that if an inode is replaced, further INode operations
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should apply to the new inode. (Jing Zhao via szetszwo)
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HDFS-4230. Support listing of all the snapshottable directories. (Jing Zhao
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via szetszwo)
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HDFS-4244. Support snapshot deletion. (Jing Zhao via szetszwo)
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HDFS-4245. Include snapshot related operations in TestOfflineEditsViewer.
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(Jing Zhao via szetszwo)
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HDFS-4395. In INodeDirectorySnapshottable's constructor, the passed-in dir
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could be an INodeDirectoryWithSnapshot. (Jing Zhao via szetszwo)
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HDFS-4397. Fix a bug in INodeDirectoryWithSnapshot.Diff.combinePostDiff(..)
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that it may put the wrong node into the deleted list. (szetszwo)
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HDFS-4407. Change INodeDirectoryWithSnapshot.Diff.combinePostDiff(..) to
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merge-sort like and keep the postDiff parameter unmodified. (szetszwo)
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HDFS-4098. Add FileWithSnapshot, INodeFileUnderConstructionWithSnapshot and
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INodeFileUnderConstructionSnapshot for supporting append to snapshotted files.
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(szetszwo)
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HDFS-4126. Add reading/writing snapshot information to FSImage.
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(Jing Zhao via suresh)
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HDFS-4436. Change INode.recordModification(..) to return only the current
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inode and remove the updateCircularList parameter from some methods in
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INodeDirectoryWithSnapshot.Diff. (szetszwo)
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HDFS-4429. When the latest snapshot exists, INodeFileUnderConstruction should
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be replaced with INodeFileWithSnapshot but not INodeFile. (Jing Zhao
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via szetszwo)
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HDFS-4441. Move INodeDirectoryWithSnapshot.Diff and the related classes to a
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package. (szetszwo)
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HDFS-4432. Support INodeFileUnderConstructionWithSnapshot in FSImage
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saving/loading. (Jing Zhao via suresh)
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HDFS-4131. Add capability to namenode to get snapshot diff. (Jing Zhao via
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suresh)
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HDFS-4447. Refactor INodeDirectoryWithSnapshot for supporting general INode
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diff lists. (szetszwo)
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HDFS-4189. Renames the getMutableXxx methods to getXxx4Write and fix a bug
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that some getExistingPathINodes calls should be getINodesInPath4Write.
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(szetszwo)
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HDFS-4361. When listing snapshottable directories, only return those
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where the user has permission to take snapshots. (Jing Zhao via szetszwo)
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HDFS-4464. Combine collectSubtreeBlocksAndClear with deleteDiffsForSnapshot
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and rename it to destroySubtreeAndCollectBlocks. (szetszwo)
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HDFS-4414. Add support for getting snapshot diff from DistributedFileSystem.
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(Jing Zhao via suresh)
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HDFS-4446. Support file snapshots with diff lists. (szetszwo)
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HDFS-4480. Eliminate the file snapshot circular linked list. (szetszwo)
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HDFS-4481. Change fsimage to support snapshot file diffs. (szetszwo)
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HDFS-4500. Refactor snapshot INode methods. (szetszwo)
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HDFS-4487. Fix snapshot diff report for HDFS-4446. (Jing Zhao via szetszwo)
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HDFS-4431. Support snapshot in OfflineImageViewer. (Jing Zhao via szetszwo)
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HDFS-4503. Update computeContentSummary(..), spaceConsumedInTree(..) and
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diskspaceConsumed(..) in INode for snapshot. (szetszwo)
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HDFS-4499. Fix file/directory/snapshot deletion for file diff. (Jing Zhao
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via szetszwo)
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