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HDFS-5034
Remove debug prints from getFileLinkInfoHDFS-4658
Standby NN will log that it has received a block report "after becoming active"
FSNamesystem#getContentSummary should use getPermissionChecker helper method
Add a configurable limit on number of blocks per file, and min block size
ClientProtocol#metaSave can be made idempotent by overwriting the output file instead of appending to it
Typo in config settings for AvailableSpaceVolumeChoosingPolicy in hdfs-default.xml
additional logging to help diagnose slow QJM logSync
when outputting XML, OfflineEditsViewer can't handle some edits containing non-ASCII strings
AOP unit tests are not getting compiled or run
TestNNThroughputBenchmark failed caused by existing directories
Avoid a wide line on the name node webUI if we have more Journal nodes
use DFSUtil.getSpnegoKeytabKey() to get the spnego keytab key in secondary namenode and namenode http server
libwebhdfs compilation broken with gcc 4.6.2
HDFS DataNode to NameNode RPC should timeout
Improve the short-circuit document
DN heartbeat loop can be briefly tight
provide client-side metrics for remote reads, local reads, and short-circuit reads
DNA_FINALIZE is logged as being an unknown command by the DN when received from the standby NN
Default values for access time precision are out of sync between hdfs-default.xml and the code
LightWeightGSet expects incrementing a volatile to be atomic
invalid network topologies should not be cached
several HDFS tests that attempt to make directories unusable do not work correctly on WindowsHDFS-1804
Add a new block-volume device choosing policy that looks at free space
Need a DEFAULT-like pipeline recovery policy that works for writers that flush
QJM should validate startLogSegment() more strictly
FsShell commands using secure httpfs throw exceptions due to missing TokenRenewer
WebHDFS cannot create a file path containing characters that must be URI-encoded, such as space.HDFS-4895
Add a function of "-fixmisplaced" to fsck for fixing blocks in mistaken placed
Make QJM epoch-related errors more understandable
DFSOutputStream.createSocketForPipeline() should not include timeout extension on connect
Make Hadoop nfs server port and mount daemon port configurable
StorageRetentionManager spews warnings when used with QJM
DatanodeManager#registerDatanode rejects all datanode registrations from localhost in single-node developer setup
ClientProtocol.createSymlink parameter dirPerm invalid
Make FSEditLogOp.MAX_OP_SIZE configurable
HDFS Output streams should not accept writes after being closed
SafeModeInfo.isManual() returns true when resources are low even if it wasn't entered into manually
Corrupt blocks are not invalidated when first processing repl queues
several HDFS HA tests have timeouts that are too short
race condition between 2 namenodes in standby that are trying to checkpoint with one another can delete or corrupt a good fsimage
TestDelegationTokensWithHA#testHAUtilClonesDelegationTokens fails on Windows
Use InodeID as as an identifier of a file in HDFS protocols and APIs
warning while purging logs with QJM enabled
namenode http server should use the web authentication keytab for spnego principal
If persistBlocks enabled in Namenode, hflush call can avoid persisting blocks with fsync
TestDFSClientRetries->testGetFileChecksum fails on IBM JAVA 6
complete() should verify fileId
Enable NN spnego filters only if kerberos is enabled
Confusing WebHDFS exception when host doesn't resolve
Token operations should not lock namespace