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Apache Hadoop Changelog

Release 0.7.0 - 2006-10-06

NEW FEATURES:

JIRASummaryPriorityComponentReporterContributor
HADOOP-542on-the-fly merge sort, HADOOP-540, reformatMajor.Michel Tourn
HADOOP-306Safe mode and name node startup proceduresMajor.Konstantin ShvachkoKonstantin Shvachko
HADOOP-559Support file patterns in dfs commandsMajor.Hairong KuangHairong Kuang
HADOOP-519HDFS File API should be extended to include positional readMajor.Milind BhandarkarMilind Bhandarkar
HADOOP-522MapFile should support block compressionMajorioDoug CuttingDoug Cutting
HADOOP-567The build script should record the Hadoop version into the buildMajorutilOwen O'MalleyOwen O'Malley

IMPROVEMENTS:

JIRASummaryPriorityComponentReporterContributor
HADOOP-527Allow to specify the bind address for all hadoop serversMajor.Philippe Gassmann
HADOOP-551reduce the number of lines printed to the console during executionMinor.Owen O'MalleyOwen O'Malley
HADOOP-431default behaviour of dfsShell -rm should resemble 'rm -i', not 'rm -rf'Major.Yoram ArnonSameer Paranjpye
HADOOP-263task status should include timestamps for when a job transitionsMajor.Owen O'MalleySanjay Dahiya
HADOOP-556Streaming should send keep-alive signals to Reporter every 10 seconds, not every 100 recordsMajor.Michel Tourn
HADOOP-487misspelt DFS host name gives null pointer exception in getProtocolVersionMajor.Dick KingSameer Paranjpye
HADOOP-560tasks should have a "killed" stateMajor.Owen O'MalleyOwen O'Malley

BUG FIXES:

JIRASummaryPriorityComponentReporterContributor
HADOOP-243WI shows progress as 100.00% before actual completion (rounding error)Trivial.Yoram ArnonOwen O'Malley
HADOOP-438DFS pathname limitation.Major.Konstantin ShvachkoWendy Chien
HADOOP-530Error message does not expose mismached key or value class name correctly in Sequence fileMajor.Hairong KuangHairong Kuang
HADOOP-288RFC: Efficient file cachingMajor.Michel TournMahadev konar
HADOOP-533TestDFSShellGenericOptions creates a sub-directory in conf/Minor.Doug CuttingHairong Kuang
HADOOP-536Broke ant test on windowsMajor.Mahadev konar
HADOOP-540Streaming should send keep-alive signals to ReporterMajor.Michel Tourn
HADOOP-545Unused parameter in hadoop-default.xmlTrivialconfPhilippe Gassmann
HADOOP-261when map outputs are lost, nothing is shown in the webapp about why the map task failedMajor.Owen O'MalleyOwen O'Malley
HADOOP-293map reduce job fail without reporting a reasonMajor.Yoram ArnonOwen O'Malley
HADOOP-444In streaming with a NONE reducer, you get duplicate files if a mapper fails, is restarted, and succeeds next time.Major.Dick KingMichel Tourn
HADOOP-547ReduceTaskRunner can miss sending hearbeats if no map output copy finishes within "mapred.task.timeout"Major.Sanjay DahiyaSanjay Dahiya
HADOOP-537clean-libhdfs target of build.xml does not work on windowsMajor.Konstantin ShvachkoArun C Murthy
HADOOP-508random seeks using FSDataInputStream can become invalid such that reads return invalid dataMajor.Christian KunzMilind Bhandarkar
HADOOP-423file paths are not normalizedMajor.Christian KunzWendy Chien
HADOOP-513IllegalStateException is thrown by TaskTrackerMajor.Konstantin ShvachkoOwen O'Malley
HADOOP-552getMapOutput doesn't reliably detect errors and throw to the callerMajor.Owen O'MalleyOwen O'Malley
HADOOP-566hadoop-daemons.sh fails with "no such file or directory" when used from a relative symlinked pathMajorscriptsLee FarisDoug Cutting
HADOOP-568small jobs benchmark fails: task is UNASSIGNEDMajor.Yoram ArnonOwen O'Malley
HADOOP-343In case of dead task tracker, the copy mapouts try copying all mapoutputs from this tasktrackerMajor.Mahadev konarSameer Paranjpye
HADOOP-550Text constructure can throw exceptionMajor.Bryan PendletonHairong Kuang
HADOOP-239job tracker WI drops jobs after 24 hoursMinor.Yoram ArnonSanjay Dahiya
HADOOP-255Client Calls are not cancelled after a call timeoutMajoripcNaveen NalamOwen O'Malley
HADOOP-581Datanode's offerService does not handle rpc timeoutsMajor.Owen O'MalleyOwen O'Malley
HADOOP-506job tracker hangs on to dead task trackers "forever"Minor.Yoram ArnonSanjay Dahiya

TESTS:

JIRASummaryPriorityComponentReporterContributor
HADOOP-548add a switch to allow unit tests to show outputMinor.Owen O'MalleyOwen O'Malley