dc2ee20aec
git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/HDFS-4949@1535607 13f79535-47bb-0310-9956-ffa450edef68
126 lines
4.3 KiB
Plaintext
126 lines
4.3 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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HDFS-5304. Expose if a block replica is cached in getFileBlockLocations.
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(Contributed by Andrew Wang)
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HDFS-5224. Refactor PathBasedCache* methods to use a Path rather than a
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String. (cnauroth)
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HDFS-5358. Add replication field to PathBasedCacheDirective.
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(Contributed by Colin Patrick McCabe)
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HDFS-5359. Allow LightWeightGSet#Iterator to remove elements.
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(Contributed by Colin Patrick McCabe)
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HDFS-5096. Automatically cache new data added to a cached path.
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(Contributed by Colin Patrick McCabe)
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HDFS-5378. In CacheReport, don't send genstamp and length on the wire
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(Contributed by Colin Patrick McCabe)
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OPTIMIZATIONS
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HDFS-5349. DNA_CACHE and DNA_UNCACHE should be by blockId only. (cmccabe)
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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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HDFS-5309. Fix failing caching unit tests. (Andrew Wang)
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HDFS-5314. Do not expose CachePool type in AddCachePoolOp (Colin Patrick
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McCabe)
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HDFS-5348. Fix error message when dfs.datanode.max.locked.memory is
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improperly configured. (Colin Patrick McCabe)
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HDFS-5373. hdfs cacheadmin -addDirective short usage does not mention
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-replication parameter. (cnauroth)
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HDFS-5383. fix broken caching unit tests. (Andrew Wang)
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HDFS-5388. Loading fsimage fails to find cache pools during namenode
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startup. (Chris Nauroth via Colin Patrick McCabe)
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HDFS-5203. Concurrent clients that add a cache directive on the same path
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may prematurely uncache from each other. (Chris Nauroth via Colin Patrick
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McCabe)
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HDFS-5385. Caching RPCs are AtMostOnce, but do not persist client ID and
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call ID to edit log. (Chris Nauroth via Colin Patrick McCabe)
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HDFS-5404. Resolve regressions in Windows compatibility on HDFS-4949
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branch. (Chris Nauroth via Andrew Wang)
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HDFS-5405. Fix possible RetryCache hang for caching RPC handlers in
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FSNamesystem. (wang)
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HDFS-5419. Fixup test-patch.sh warnings on HDFS-4949 branch. (wang)
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