Bulk Operation

HDFS-2802 Reduce snapshot inode memory usage

HDFS-2802 The javadoc of FileWithSnapshot is incorrect

HDFS-2802 Add a test for testing snapshot file length

HDFS-2802 Snapshot: identify the correct prior snapshot when deleting a snapshot under a renamed subtree

HDFS-2802 Update Snapshot doc for HDFS-4758

HDFS-2802 Add more unit tests for the undo section of rename

HDFS-2802 For an INodeDirectoryWithSnapshot, use INode#isInLatestSnapshot() to check if the added/removed child should be recorded in snapshot diff

HDFS-2802 Disallowing snapshot on / twice throws error

HDFS-2802 lsSnapshottableDir throws IllegalArgumentException when root is made snapshottable

HDFS-2802 Fix INodeDirectoryWithSnapshot#cleanDeletedINode

HDFS-2802 Update computeContentSummary() for the reference nodes in snapshots

HDFS-2802 Update and fix deletion of reference inode

HDFS-2802 File listing of .snapshot under a non-existing dir throws NullPointer

HDFS-2802 Fix bugs in quota usage updating/computation

HDFS-2802 directory is not snapshottable after clrQuota

HDFS-2802 Update inodeMap after node replacement

HDFS-2802 snapshotDiff of two invalid snapshots but with same name returns success

HDFS-2802 Disallow nested snapshottable directories

HDFS-2802 AccessControlException message is changed in snapshot branch

HDFS-2802 Use INodeId to identify the corresponding directory node for FSImage saving/loading

HDFS-2802 Convert snapshot user guide to APT from XDOC

HDFS-2802 Fix appending to a renamed file with snapshot

HDFS-2802 Fix javadoc and other warnings in the snapshot branch

HDFS-2802 DisallowSnapshot throws IllegalStateException

HDFS-2802 Fix OfflineImageViewer and permission checking for snapshot operations

HDFS-2802 Snapshot tests broken after merge from trunk

HDFS-2802 Update inodeMap after deleting files/directories/snapshots

HDFS-2802 Fix test failures after merging the mapping from INodeId to INode

HDFS-2802 Minor simplifications to snapshot code

HDFS-2802 Change the parameter type of the snapshot methods in HdfsAdmin to Path

HDFS-2802 Add snapshot user guide

HDFS-2802 Fix FilterFileSystem and findbugs warning in Snapshot branch

HDFS-2802 disallowSnapshot does not work for root

HDFS-2802 Add a transient flag to file so that transient files won't be included in any snapshot

HDFS-2802 Fix the undo section of rename with snapshots

HDFS-2802 Use timestamp as the default snapshot name

HDFS-2802 Fix quota computation for rename with snapshots

HDFS-2802 Snapshot: Use INode id for image serialization

HDFS-2802 Fix rename across snapshottable directories

HDFS-2802 Renaming file in subdirectory of a snapshotted directory does not work.

HDFS-2802 Capture renamed files/directories in snapshot diff report

HDFS-2802 Disallow users to create file/dir named ".snapshot"

HDFS-2802 Add rename test in TestSnapshot

HDFS-2802 For snapshot deletion, when merging the diff from to-delete snapshot to the prior snapshot, make sure files/directories created after the prior snapshot get deleted

HDFS-2802 llegalStateException renaming file under snapshottable directory

HDFS-2802 INodeDirectory#replaceSelf4Quota may convert a newly created directory (which is not included in the latest snapshot) to an INodeDirectoryWithSnapshot

HDFS-2802 Update quota usage when deleting files/dirs that were created after taking the latest snapshot

HDFS-2802 Fix FSImageFormat#Loader NPE and synchronization issues

HDFS-2802 Update the FilesDeleted metric while deleting file/dir in the current tree

HDFS-2802 Not to use INode.getParent() when generating snapshot diff report

HDFS-2802 Snapshot: Update FSImage for INodeReference

HDFS-2802 Annotate snapshot tests

HDFS-2802 Restrict snapshot IDs to 24-bits wide

HDFS-2802 Move Diff and EnumCounters to util package

HDFS-2802 Update namespace/diskspace after deleting snapshots

HDFS-2802 Fix FSDirectory#delete when INode#cleanSubtree returns 0

HDFS-2802 Add snapshotdiff and LsSnapshottableDir tools to hdfs script

HDFS-2802 Refactor INodesInPath to a standalone class

HDFS-2802 Snapshot: unprotectedSetReplication may update diskspace count incorrectly

HDFS-2802 Update rename for snapshots

HDFS-2802 Decide the semantic of concat with snapshots

HDFS-2802 Update SnapshotManager#snapshottables when loading fsimage

HDFS-2802 Fix INodeFile replacement, TestQuota and javac error

HDFS-2802 Support listing snapshots under a snapshottable directory using "ls"

HDFS-2802 Add CLI support for snapshot rename, diff report, and snapshottable directory listing

HDFS-2802 Update quota verification for snapshot

HDFS-2802 Update computeContentSummary, spaceConsumedInTree and diskspaceConsumed for snapshot

HDFS-2802 Refactor snapshot INode methods

HDFS-2802 Fix file/directory/snapshot deletion for file diff

HDFS-2802 Fix snapshot diff report

HDFS-2802 Fix snapshot fsimage for file diffs

HDFS-2802 Eliminate the file snapshot circular linked list

HDFS-2802 Combine collectSubtreeBlocksAndClear with deleteDiffsForSnapshot

HDFS-2802 Refactor INodeDirectoryWithSnapshot for sharing the code with INodeFileWithSnapshot

HDFS-2802 Support file snapshot with diff lists

HDFS-2802 Refactor INodeDirectoryWithSnapshot.Diff as a top level generic class

HDFS-2802 The snapshot copy INode.recordModification(..) returned is never used

HDFS-2802 Support INodeFileUnderConstructionWithSnapshot in FSImage saving/loading

HDFS-2802 Support snapshot in OfflineImageViewer

HDFS-2802 Add unit tests for taking snapshots while file appending

HDFS-2802 Add support for getting snapshot diff from DistributedFileSystem

HDFS-2802 In INodeDirectoryWithSnapshot, change combinePostDiff to merge-sort like

HDFS-2802 Combined diff may not be identical to the diffs applied sequentially

HDFS-2802 INodeDirectorySnapshottable's constructor should take into account the scenario when passed-in dir is of the type INodeDirectoryWithSnapshot

HDFS-2802 When listing snapshottable directories, only return those where the user has permission to take snapshots

HDFS-2802 After calling replaceSelf, further operations that should be applied on the new INode may be wrongly applied to the original INode

HDFS-2802 Support snapshots up to the snapshot limit

HDFS-2802 Change INode to support HDFS-4103

HDFS-2802 TestSnapshot fails

HDFS-2802 Include snapshot related operations in OfflineEditsViewerHelper#runOperations() to fix test failures in TestOfflineEditsViewer

HDFS-2802 Support deleting snapshots

HDFS-2802 Listing all the current snapshottable directories

HDFS-2802 Support renaming of snapshots

HDFS-2802 rename getter method getMutableX and getXMutable to getXAndEnsureMutable

HDFS-2802 Add a snapshot id comparator

HDFS-2802 Add testcases for replication handling in snapshots

HDFS-2802 Add a snapshot parameter to INodeDirectory.getChildrenList()

HDFS-2802 Additional snapshot tests for more complicated directory structure and modifications.

HDFS-2802 Add snapshot information to INodesInPath

HDFS-2802 Add support for restoring/rolling back to a snapshot

HDFS-2802 Add support for scheduled automatic snapshots

HDFS-2802 Rename should fail when the destination dir is snapshottable and has snapshots

HDFS-2802 FSDirectory#hasSnapshot will NPE when deleting an empty directory

HDFS-2802 Update inode in blocksMap when deleting original/snapshot file

HDFS-2802 Complete the code for disallowSnapshot

HDFS-2802 Disallow write/modify operations on files and directories in a snapshot

HDFS-2802 Deletion of snapshottable dir with snapshots should fail

HDFS-2802 Further work on changing INodeFile.blocks to private in Snapshot branch

HDFS-2802 Create test for all snapshot-related metrics

HDFS-2802 Directory diff in snapshots

HDFS-2802 Add testcases for testing basic snapshot functionalities

HDFS-2802 Add capability to namenode to get snapshot diff

HDFS-2802 Add reading/writing snapshot information to FSImage

HDFS-2802 Use a persistent data structure for snapshots

HDFS-2802 Complete the allowSnapshot code and add a test for it

HDFS-2802 Change INodeDirectory.getExistingPathINodes(..) to work with snapshots

HDFS-2802 Add audit log for snapshot operations

HDFS-2802 Support snapshot of subtrees

HDFS-2802 Support O(1) snapshot creation

HDFS-2802 Test replication with snapshots

HDFS-2802 Support append to original files which are snapshotted

HDFS-2802 provide CLI support for createSnapshot

HDFS-2802 Add snapshot information to namenode WebUI

HDFS-2802 Add snapshot related metrics

HDFS-2802 Update file deletion logic to support snapshot files

HDFS-2802 Add snapshot quota to limit the number of snapshots

HDFS-2802 Protocol changes for listSnapshots functionality

HDFS-2802 Add editlog opcodes to allow and disallow snapshots on a directory

HDFS-2802 provide CLI support for allow and disallow snapshot on a directory

HDFS-2802 Protocol changes for snapshots

HDFS-2802 Add editlog opcodes for snapshot create and delete operations

HDFS-2802 Add SnapshotManager

HDFS-2802 Handle replication in snapshots

HDFS-2802 Support snapshottable INodeDirectory

HDFS-2802 Support snapshot of single files

HDFS-2802 Snapshot of Being Written Files