hadoop/hadoop-hdfs-project/hadoop-hdfs/CHANGES.HDFS-347.txt

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CHANGES for HDFS-347 branch.
These will be integrated to trunk CHANGES.txt after merge
HDFS-4353. Encapsulate connections to peers in Peer and PeerServer classes.
(Colin Patrick McCabe via todd)
HDFS-4354. Create DomainSocket and DomainPeer and associated unit tests.
(Colin Patrick McCabe via todd)
HDFS-4356. BlockReaderLocal should use passed file descriptors rather than paths.
(Colin Patrick McCabe via todd)
HDFS-4388. DomainSocket should throw AsynchronousCloseException when appropriate.
(Colin Patrick McCabe via todd)
HDFS-4390. Bypass UNIX domain socket unit tests when they cannot be run.
(Colin Patrick McCabe via todd)
HDFS-4400. DFSInputStream#getBlockReader: last retries should ignore the cache
(Colin Patrick McCabe via todd)
HDFS-4401. Fix bug in DomainSocket path validation
(Colin Patrick McCabe via todd)
HDFS-4402. Some small DomainSocket fixes: avoid findbugs warning, change log level, etc.
(Colin Patrick McCabe via todd)
HDFS-4418. increase default FileInputStreamCache size (todd)
HDFS-4416. Rename dfs.datanode.domain.socket.path to dfs.domain.socket.path
(Colin Patrick McCabe via todd)
HDFS-4417. Fix case where local reads get disabled incorrectly
(Colin Patrick McCabe and todd via todd)
HDFS-4433. Make TestPeerCache not flaky (Colin Patrick McCabe via todd)
HDFS-4438. TestDomainSocket fails when system umask is set to 0002. (Colin Patrick McCabe via atm)
HDFS-4440. Avoid annoying log message when dfs.domain.socket.path is not set. (Colin Patrick McCabe via atm)
HDFS-4473. Don't create domain socket unless we need it. (Colin Patrick McCabe via atm)
HDFS-4485. DN should chmod socket path a+w. (Colin Patrick McCabe via atm)
HDFS-4453. Make a simple doc to describe the usage and design of the shortcircuit read feature. (Colin Patrick McCabe via atm)
HDFS-4496. DFSClient: don't create a domain socket unless we need it (Colin Patrick McCabe via todd)
HDFS-347: style cleanups (Colin Patrick McCabe via atm)
HDFS-4538. Allow use of legacy blockreader (Colin Patrick McCabe via todd)