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HDFS-8307
Spurious DNS Queries from hdfs shellHDFS-11345
Document the configuration key for FSNamesystem lock fairness
Wrong HttpFS test command in docHDFS-11717
Add unit test for HDFS-11709 StandbyCheckpointer should handle non-existing legacyOivImageDir gracefully
Doc about upgrading to a version of HDFS with snapshots may be confusing
TestBalancer#testUnknownDatanodeSimple and testBalancerWithKeytabs are flaky in branch-2.7
Backport HDFS-9726 to branch-2.7: Refactor IBR code to a new class
option to disable fsck dots
Implement a space balanced block placement policy
name node fail over failed with ssh fence failed because of jsch login failed with key check
Add option for balancer to disperse getBlocks calls to avoid NameNode's rpc.CallQueueLength spike
Optimize BlockIterator when iterating starts in the middle.
Change dfs.namenode.write-lock-reporting-threshold-ms default from 1000ms to 5000ms
Client close() should not fail fast if the last block is being decommissioned
build hadoop in windows 7/10 64 bit using Visual C++ Build Tools Standalone compiler, dotnet 4.5
Fix NPE in LazyPersistFileScrubber
VolumeScanner reports write-in-progress replicas as corrupt incorrectly
OIV tests should not write outside 'target' directory.
Document Metrics to track usage of memory for writes
Fix TestDFSShell.testMoveWithTargetPortEmpty failure.
Backport HDFS-11078 to branch 2.7
Backport HDFS-8674 to branch 2.7
Backport HDFS-6291 to branch 2.7HDFS-10896
Move lock logging logic from FSNamesystem into FSNamesystemLock
Unnecessary superuser check in versionRequest()
Tighten the authorization of datanode RPC
Fix broken attr/getfattr/setfattr links in ExtendedAttributes.md
Enhance Dispatcher logic on deciding when to give up a source DataNode
TestDFSClientRetries#testIdempotentAllocateBlockAndClose throws ConcurrentModificationException
Add MutableRate metrics for FSNamesystemLock operations
FileDistribution fails in hdfs oiv command due to ArrayIndexOutOfBoundsException
BlockManager.processReport() should print blockReportId in each log message.
Fix TestDataNodeVolumeFailure on 2.* branches.
VolumeScanner to report why a block is found bad
NPE when applying AvailableSpaceBlockPlacementPolicy
getNumEncryptionZones causes NPE in branch-2.7
Add Logging for Long-held NN Read Locks
Make the threshold of reporting FSNamesystem lock contention configurable
Lease is leaked on write failure
Support different values of dfs.datanode.du.reserved per storage type
datanodesSoftwareVersions map may counting wrong when rolling upgrade
getBlocks occupies FSLock and takes too long to complete
Change DN to send block receipt IBRs in batches
Add support for async edit logging
NameNode WebUI should display DataNode usage histogram
Fix findbugs warning in branch-2.7
Backport HDFS-7990 to branch-2.7: IBR delete ack should not be delayed
Backport HDFS-9710 to branch-2.7: Change DN to send block receipt IBRs in batches
Backport HDFS-9412 to branch-2.7: getBlocks occupies FSLock and takes too long to complete
Ability to re-add Upgrading Nodes (remote) to pipeline for future pipeline updates