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HDFS-7472
Fix typo in message of ReplicaNotFoundException
various typos and message formatting fixes in nfs daemon and docHDFS-7026
Introduce a string constant for "Failed to obtain user group info..."
Fix findbugs "unchecked conversion" warning in DFSClient#getPathTraceScope
Fix findbugs "inefficient new String constructor" warning in DFSClient#PATH
small refinement to the use of isInAnEZ in FSNamesystem
Bump DataNode OOM log from WARN to ERROR
Replace check "port number < 1024" with shared isPrivilegedPort method
minor typo in HttpFS doc
Fix the order of the parameters in DFSConfigKeys
Catch throwable
Add the time of last HA state transition to NN's /jmx page
HDFS Peercache enabled check should not lock on object
Fix intermittent test failures in TestTracingHDFS-8038
PBImageDelimitedTextWriter#getEntry output HDFS path in platform-specific format.
Remove duplicated logs in BlockManager
Document, and set an accepting default for dfs.namenode.kerberos.principal.pattern
Add ACL indicator to the "Permission Denied" exception.
Remove dependency on old version of Guava in TestDFSClientCache#testEviction
Improve log reporting during block report rpc failure
Allow renaming of encryption zone roots
Remove updatePosition argument from DFSInputStream#getBlockAt()
Checking of closed in DFSInputStream#pread() should be protected by synchronization
Add incremental blockreport latency to DN metrics
Use file to replace data dirs in test to simulate a disk failure.
Refactor the checking the minimum replication logic in BlockManager
TestFileTruncate#testTruncateWithDataNodesRestart runs timeout sometimes
xlator should be closed upon exit from DFSAdmin#genericRefresh()
Code improvement for FSN#checkUnreadableBySuperuser
Should be able to omit package name of SpanReceiver on "hadoop trace -add"
Tracing span description of IPC client is too longHDFS-7222
Expose DataNode network errors as a metric
Document the "hadoop trace" command.
TestOpenFilesWithSnapshot fails periodically with test timeout
Fix findbugs warning about NP_DEREFERENCE_OF_READLINE_VALUE in SpanReceiverHost
Fix findbug in TransferFsImage.java
Fix the new findbugs warning from TransferFsImage
Fix spacing for a few keys in DFSConfigKeys.java
HDFS-7448
TestBookKeeperHACheckpoints fails in trunk build
Allow dead nodes to finish decommissioning if all files are fully replicated
Add Datanode network counts to datanode jmx page
Add documentation for hdfs debug commands
TestCheckpoint#testStorageAlreadyLockedErrorMessage fails after change of log message related to locking violation.
Log at INFO level, not WARN level, when InvalidToken is seen in ShortCircuitCache
Wrong command mentioned in HDFSHighAvailabilityWithQJM documentation
Document truncate for WebHDFS.
BlockReceiver#close() might be called multiple times, which causes the fsvolume reference being released incorrectly.
Fix the check condition for reserved path
Update archival storage user doc for list/set/get block storage policies
Remove obsolete -ns options in in DFSHAAdmin.java