hadoop/hadoop-hdfs-project/hadoop-hdfs/CHANGES-HDFS-4949.txt

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Hadoop HDFS Change Log for HDFS-4949
HDFS-4949 (Unreleased)
INCOMPATIBLE CHANGES
NEW FEATURES
IMPROVEMENTS
HDFS-5049. Add JNI mlock support. (Andrew Wang via Colin Patrick McCabe)
HDFS-5051. Propagate cache status information from the DataNode to the
NameNode (Andrew Wang via Colin Patrick McCabe)
HDFS-5052. Add cacheRequest/uncacheRequest support to NameNode.
(contributed by Colin Patrick McCabe)
HDFS-5050. Add DataNode support for mlock and munlock
(Andrew Wang via Colin Patrick McCabe)
HDFS-5141. Add cache status information to datanode heartbeat.
(Contributed by Andrew Wang)
HDFS-5121. Add RPCs for creating and manipulating cache pools.
(Contributed by Colin Patrick McCabe)
HDFS-5163. Miscellaneous cache pool RPC fixes. (Contributed by Colin
Patrick McCabe)
HDFS-5120. Add command-line support for manipulating cache pools.
(Contributed by Colin Patrick McCabe)
HDFS-5158. Add command-line support for manipulating cache directives.
(Contributed by Colin Patrick McCabe)
OPTIMIZATIONS
BUG FIXES
HDFS-5169. hdfs.c: translateZCRException: null pointer deref when
translating some exceptions. (Contributed by Colin Patrick McCabe)
HDFS-5198. NameNodeRpcServer must not send back DNA_FINALIZE in reply to a
cache report. (Contributed by Colin Patrick McCabe)
HDFS-5195. Prevent passing null pointer to mlock and munlock. (cnauroth)