eb2175db1a
git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/HDFS-4949@1529334 13f79535-47bb-0310-9956-ffa450edef68
75 lines
2.5 KiB
Plaintext
75 lines
2.5 KiB
Plaintext
Hadoop HDFS Change Log for HDFS-4949
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HDFS-4949 (Unreleased)
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INCOMPATIBLE CHANGES
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NEW FEATURES
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IMPROVEMENTS
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HDFS-5049. Add JNI mlock support. (Andrew Wang via Colin Patrick McCabe)
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HDFS-5051. Propagate cache status information from the DataNode to the
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NameNode (Andrew Wang via Colin Patrick McCabe)
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HDFS-5052. Add cacheRequest/uncacheRequest support to NameNode.
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(contributed by Colin Patrick McCabe)
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HDFS-5050. Add DataNode support for mlock and munlock
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(Andrew Wang via Colin Patrick McCabe)
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HDFS-5141. Add cache status information to datanode heartbeat.
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(Contributed by Andrew Wang)
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HDFS-5121. Add RPCs for creating and manipulating cache pools.
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(Contributed by Colin Patrick McCabe)
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HDFS-5163. Miscellaneous cache pool RPC fixes. (Contributed by Colin
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Patrick McCabe)
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HDFS-5120. Add command-line support for manipulating cache pools.
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(Contributed by Colin Patrick McCabe)
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HDFS-5158. Add command-line support for manipulating cache directives.
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(Contributed by Colin Patrick McCabe)
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HDFS-5053. NameNode should invoke DataNode APIs to coordinate caching.
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(Andrew Wang)
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HDFS-5197. Document dfs.cachereport.intervalMsec in hdfs-default.xml.
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(cnauroth)
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HDFS-5213. Separate PathBasedCacheEntry and PathBasedCacheDirectiveWithId.
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(Contributed by Colin Patrick McCabe)
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HDFS-5236. Change PathBasedCacheDirective APIs to be a single value
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rather than batch. (Contributed by Andrew Wang)
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HDFS-5191. Revisit zero-copy API in FSDataInputStream to make it more
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intuitive. (Contributed by Colin Patrick McCabe)
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HDFS-5119. Persist CacheManager state in the edit log.
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(Contributed by Andrew Wang)
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HDFS-5190. Move cache pool related CLI commands to CacheAdmin.
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(Contributed by Andrew Wang)
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OPTIMIZATIONS
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BUG FIXES
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HDFS-5169. hdfs.c: translateZCRException: null pointer deref when
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translating some exceptions. (Contributed by Colin Patrick McCabe)
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HDFS-5198. NameNodeRpcServer must not send back DNA_FINALIZE in reply to a
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cache report. (Contributed by Colin Patrick McCabe)
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HDFS-5195. Prevent passing null pointer to mlock and munlock. (cnauroth)
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HDFS-5201. NativeIO: consolidate getrlimit into NativeIO#getMemlockLimit
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(Contributed by Colin Patrick McCabe)
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HDFS-5210. Fix some failing unit tests on HDFS-4949 branch.
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(Contributed by Andrew Wang)
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HDFS-5266. ElasticByteBufferPool#Key does not implement equals. (cnauroth)
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