Bulk Operation

HDFS-265 Create block recovery tests that handle errors

HDFS-265 NPE in FSDataset.updateReplicaUnderRecovery(..)

HDFS-265 TestFileAppend3#TC7 sometimes hangs

HDFS-265 TestFileAppend2 sometimes hangs

HDFS-265 DFSIO for append

HDFS-265 Unnecessary info message from DFSClient

HDFS-265 Data-node upgrade problem

HDFS-265 Remove deprecated methods from InterDatanodeProtocol.

HDFS-265 DFSClient cannot read all the available bytes

HDFS-265 Block recovery for primary data-node

HDFS-265 Remove unused legacy protocol methods.

HDFS-265 Replace BlockInfo.isUnderConstruction() with isComplete()

HDFS-265 Lease recovery, concurrency support.

HDFS-265 Support pipeline close and close recovery

HDFS-265 SafeMode should count only complete blocks.

HDFS-265 Simplify the codes in the replica related classes

HDFS-265 Support replica update in datanode

HDFS-265 Client support pipeline recovery

HDFS-265 Support replica recovery initialization in datanode

HDFS-265 Create functional tests for new design of the block report

HDFS-265 Block report processing for append

HDFS-265 Allow client to get a new generation stamp from NameNode

HDFS-265 Change block write protocol to support pipeline recovery

HDFS-265 Datanode should serve up to visible length of a replica for read requests

HDFS-265 Extend Block report to include under-construction replicas

HDFS-265 When opening a file for read, make the file length avaliable to client.

HDFS-265 Introduce block committing logic during new block allocation and file close.

HDFS-265 Add a test for NameNode.getBlockLocations(..) to check read from un-closed file.

HDFS-265 Create new functional test for a block report.

HDFS-265 DataNode restarts may introduce corrupt/duplicated/lost replicas when handling detached replicas

HDFS-265 Add a "rbw" sub directory to DataNode data directory

HDFS-265 Break FSDatasetInterface#writeToBlock() into writeToTemporary, writeToRBW, and append

HDFS-265 DataNode uses ReplicaBeingWritten to support dfs writes/hflush

HDFS-265 Support hflush at DFSClient

HDFS-265 Create stress tests for append feature

HDFS-265 Create new tests for pipeline

HDFS-265 Create new tests for block recovery

HDFS-265 Create new tests for lease recovery

HDFS-265 Create new tests for Append's hflush

HDFS-265 Introduce BlockInfoUnderConstruction to reflect block replica states while writing.

HDFS-265 Redesign DataNode volumeMap to include all types of Replicas

HDFS-265 Factor out BlockInfo from BlocksMap