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HDFS-15608
Rename variable DistCp#CLEANUP
Add Log Level link under NameNode and DataNode Web UI Utilities dropdown
Fix a codestyle issue for TestQuotaByStorageType
HDFS-11949
Add testcase for ensuring that FsShell cann't move file to the target directory that file exists- HDFS-11950
Disable libhdfs zerocopy test on Mac
Add assertion to TestDefaultNameNodePort#testGetAddressFromConfHDFS-13371
NPE for FsServerDefaults.getKeyProviderUri() for clientProtocol communication between 2.7 and 3.X
HDFS to pass new available() tests
Fix misuse of SLF4j logging API in DatasetVolumeChecker#checkAllVolumes
Avoid repeated calls to the listOpenFiles function
Cleanup method calls to static Assert methods in TestAddStripedBlocks
Reduce NameNode overview tab response time
RBF: ConnectionPool#newConnection() error log wrong protocol class
Log longest FSN write/read lock held stack trace
Fix incorrect option used in description of InMemoryAliasMap
HDFS DelegationTokenFetcher can't print non-HDFS tokens in a tokenfile
Document -blockingDecommission option for hdfs dfsadmin -listOpenFiles
Purge log in KMS and HttpFS
Fix intermittent failure of TestDFSClientRetries#testLeaseRenewSocketTimeout
Replace curator-shaded guava import with the standard one
RBF: federation-rename by distcp should restore the permission of both src and dst when execute DistCpProcedure#restorePermission
transient deleteOnExit failure in ViewFileSystem due to close() ordering
Remove the defunct startKdc profile from hdfs
Provide a way to query INodeId (fileId) via Hadoop shell
Add a tool to check rack configuration against EC policies
Improve error handling in hdfsThreadDestructor in native thread local storage
Fix the description of storageType option for space quotaHDFS-13617
Allow wrapping NN QOP into token in encrypted message
When reach the end of the block group, it may not need to flush all the data packets(flushAllInternals) twice.
Fix INodeId javadoc
Document the missing EC removePolicy command
Use a random secret when a secret file doesn't exist in HttpFS. This should be default.
DataXceiver hung due to the lock in FsDatasetImpl#getBlockInputStream
Admin helper fails to prettify NullPointerExceptions
HDFS OIV ReverseXML SnapshotSection parser throws exception when there are more than one snapshottable directory
Check if the cluster topology supports the EC policy before setting, enabling or adding it
Increase Balancer Defaults Further
HttpFS: LISTSTATUS response is missing HDFS-specific fields
RBF:TestRouterFaultTolerant tests are flaky
ClosedChannelException silently ignored in FsVolumeList.addBlockPool()
Balancer should work with ObserverNode
Add ingress port based sasl resolver
Turn on HDFS ACLs by default.
Extend visualization for Decommissioning, Maintenance Mode under Datanode tab in the NameNode UIHDFS-12729
Document special paths in HDFS
Add the documents of swebhdfs configurations on the client side
Reset LowRedundancyBlocks Iterator periodically
Create improved decommission monitor implementation
Erasure Coding: the internal block is replicated many times when datanode is decommissioning
Fix TestHDFSCLI and TestDFSShell test break because of logging change in mkdir