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Apache Hadoop Changelog

Release 0.8.0 - 2006-11-03

NEW FEATURES:

JIRASummaryPriorityComponentReporterContributor
HADOOP-635hadoop dfs copy, move commands should accept multiple source files as argumentsMajor.dhruba borthakur
HADOOP-636MapFile constructor should accept ProgressibleMajorioDoug CuttingDoug Cutting

IMPROVEMENTS:

JIRASummaryPriorityComponentReporterContributor
HADOOP-583DFSClient should use debug level to log missing data-node.Minor.Konstantin ShvachkoKonstantin Shvachko
HADOOP-498fsck should execute fasterMajor.Yoram ArnonMilind Bhandarkar
HADOOP-586Job Name should not ben empty, if its is not given bu user, Hadoop should use original Jar name as the job name.Trivial.Sanjay DahiyaSanjay Dahiya
HADOOP-625add a little servlet to display the server's thread call stacksMinor.Owen O'MalleyOwen O'Malley
HADOOP-626NNBench example comments are incorrect and code contains cut-and-paste errorTrivial.Nigel DaleyNigel Daley
HADOOP-578Failed tasks should not be put at the end of the job tracker's queueMajor.Owen O'MalleySanjay Dahiya
HADOOP-660Format of junit output should be configurableMinor.Nigel DaleyNigel Daley
HADOOP-670Generic types for FSNamesystemMajor.Konstantin ShvachkoKonstantin Shvachko
HADOOP-647Map outputs can't have a different type of compression from the reduce outputsMajor.Owen O'MalleyOwen O'Malley

BUG FIXES:

JIRASummaryPriorityComponentReporterContributor
HADOOP-477Streaming should execute Unix commands and scripts in well known languages without user specifying the pathMajor.arkady borkovskydhruba borthakur
HADOOP-514namenode heartbeat interval should be configurableMajor.Wendy ChienMilind Bhandarkar
HADOOP-588JobTracker History bug - kill() ed tasks are logged wrongly as finished.Major.Sanjay DahiyaSanjay Dahiya
HADOOP-462DFSShell throws out arrayoutofbounds exceptions if the number of arguments is not rightMinor.Mahadev konardhruba borthakur
HADOOP-561one replica of a file should be written locally if possibleMajor.Yoram Arnondhruba borthakur
HADOOP-610Task Tracker offerService does not adequately protect from exceptionsMajor.Owen O'MalleyOwen O'Malley
HADOOP-554hadoop dfs command line doesn't exit with status code on errorMajor.Marco Nicosiadhruba borthakur
HADOOP-634Test files missing copyright headersTrivial.Nigel DaleyNigel Daley
HADOOP-627MiniMRCluster missing synchronizationMajor.Nigel DaleyNigel Daley
HADOOP-563DFS client should try to re-new lease if it gets a lease expiration exception when it adds a block to a fileMajor.Runping Qidhruba borthakur
HADOOP-641Name-node should demand a block report from resurrected data-nodes.Major.Konstantin ShvachkoKonstantin Shvachko
HADOOP-642Explicit timeout for ipc.ClientMajor.Konstantin ShvachkoKonstantin Shvachko
HADOOP-638TaskTracker missing synchronization around tasks variable accessMajor.Nigel DaleyNigel Daley
HADOOP-624fix warning about pathSpec should start with '/' or '*' : mapOutputMinor.Owen O'MalleyOwen O'Malley
HADOOP-658source headers must conform to new Apache guidelinesMajor.Doug CuttingDoug Cutting
HADOOP-482unit test hangs when a cluster is running on the same machineMinor.Wendy ChienWendy Chien
HADOOP-90DFS is succeptible to data loss in case of name node failureMajor.Yoram ArnonKonstantin Shvachko
HADOOP-651fsck does not handle arguments -blocks and -locations correctlyMajor.Milind BhandarkarMilind Bhandarkar
HADOOP-553DataNode and NameNode main() should catch and report exceptions.Major.Konstantin ShvachkoRaghu Angadi
HADOOP-399the javadoc currently generates lot of warnings about bad fieldsTrivial.Owen O'MalleyNigel Daley
HADOOP-599DFS Always Reports 0 Bytes UsedMinor.Albert ChernRaghu Angadi
HADOOP-663ant test is failingMajor.Mahadev konarMahadev konar
HADOOP-664build doesn't fail if libhdfs test(s) failMinor.Nigel DaleyNigel Daley
HADOOP-633if the jobinit thread gets killed the jobtracker keeps running without doing anything.Minor.Mahadev konarOwen O'Malley
HADOOP-669Upgrade to trunk causes data loss.Blocker.Milind BhandarkarMilind Bhandarkar
HADOOP-373Some calls to mkdirs do not check return valueMajor.Wendy ChienWendy Chien
HADOOP-671Distributed cache creates unnecessary symlinks if asked for creating symlinksMajor.Mahadev konarMahadev konar
HADOOP-665hadoop -rmr does NOT process multiple arguments and does not complainMinor.dhruba borthakurdhruba borthakur
HADOOP-572Chain reaction in a big cluster caused by simultaneous failure of only a few data-nodes.Major.Konstantin ShvachkoSameer Paranjpye