Apache Hadoop Changelog

Release 0.10.0 - 2007-01-05

INCOMPATIBLE CHANGES:

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IMPORTANT ISSUES:

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NEW FEATURES:

JIRA Summary Priority Component Reporter Contributor
HADOOP-811 Patch to support multi-threaded MapRunnable Major . Alejandro Abdelnur Doug Cutting
HADOOP-681 Adminstrative hook to pull live nodes out of a HDFS cluster Major . dhruba borthakur dhruba borthakur
HADOOP-574 want FileSystem implementation for Amazon S3 Major fs Doug Cutting
HADOOP-454 hadoop du optionally behave like unix’s du -s Trivial . Marco Nicosia Hairong Kuang

IMPROVEMENTS:

JIRA Summary Priority Component Reporter Contributor
HADOOP-853 Move site directories to docs directories Minor documentation Nigel Daley Doug Cutting
HADOOP-850 Add Writable implementations for variable-length integer types. Minor io Andrzej Bialecki Andrzej Bialecki
HADOOP-837 RunJar should unpack jar files into hadoop.tmp.dir Major util Hairong Kuang Hairong Kuang
HADOOP-806 NameNode WebUI : Include link to each of datanodes Minor . Raghu Angadi Raghu Angadi
HADOOP-804 Cut down on the “mumbling” in the Task process’ stdout/stderr Major . Owen O’Malley Sanjay Dahiya
HADOOP-796 Node failing tasks and failed tasks should be more easily accessible through jobtracker history. Minor . Sanjay Dahiya Sanjay Dahiya
HADOOP-783 Hadoop dfs -put and -get accept ‘-’ to indicate stdin/stdout Minor . Marco Nicosia Wendy Chien
HADOOP-763 NameNode benchmark using mapred is insufficient Minor test Nigel Daley Nigel Daley
HADOOP-756 new dfsadmin command to wait until safe mode is exited Minor . Owen O’Malley dhruba borthakur
HADOOP-720 Write a white paper on Hadoop File System Architecture, Design and Features Major documentation dhruba borthakur dhruba borthakur
HADOOP-717 When there are few reducers, sorting should be done by mappers Major . arkady borkovsky Owen O’Malley
HADOOP-676 JobClient should print user friendly messages for standard errors Major . Owen O’Malley Sanjay Dahiya
HADOOP-621 When a dfs -cat command is killed by the user, the correspondig hadoop process does not get aborted Minor . dhruba borthakur dhruba borthakur
HADOOP-619 Unify Map-Reduce and Streaming to take the same globbed input specification Major . eric baldeschwieler Sanjay Dahiya
HADOOP-618 JobProfile and JobSubmissionProtocol should be public Major . Runping Qi Arun C Murthy
HADOOP-571 Path should use URI syntax Major fs Doug Cutting Doug Cutting
HADOOP-525 Need raw comparators for hadoop record types Major record Sameer Paranjpye Milind Bhandarkar
HADOOP-470 Some improvements in the DFS content browsing UI Minor . Devaraj Das Hairong Kuang
HADOOP-451 Add a Split interface Major . Doug Cutting Owen O’Malley
HADOOP-371 ant tar should package contrib jars Major build Michel Tourn Nigel Daley
HADOOP-331 map outputs should be written to a single output file with an index Major . eric baldeschwieler Devaraj Das

BUG FIXES:

JIRA Summary Priority Component Reporter Contributor
HADOOP-849 randomwriter fails with ‘java.lang.OutOfMemoryError: Java heap space’ in the ‘reduce’ task Major . Arun C Murthy Devaraj Das
HADOOP-846 Progress report is not sent during the intermediate sorts in the map phase Major . Devaraj Das Devaraj Das
HADOOP-844 Metrics messages are sent on a fixed-delay schedule instead of a fixed-rate schedule Minor metrics David Bowen
HADOOP-841 native hadoop libraries don’t build properly with 64-bit OS and a 32-bit jvm Major build Arun C Murthy Arun C Murthy
HADOOP-840 the task tracker is getting blocked by long deletes of local files Major . Owen O’Malley Mahadev konar
HADOOP-838 TaskRunner.run() doesn’t pass along the ‘java.library.path’ to the child (task) jvm Major . Arun C Murthy Arun C Murthy
HADOOP-836 unit tests fail on windows (/C:/cygwin/… is invalid) Major . Owen O’Malley Owen O’Malley
HADOOP-835 conf not set for the default Codec when initializing a Reader for a record-compressed sequence file Major io Hairong Kuang Hairong Kuang
HADOOP-829 Separate the datanode contents that is written to the fsimage vs the contents used in over-the-wire communication Major . dhruba borthakur dhruba borthakur
HADOOP-825 If the default file system is set using the new uri syntax, the namenode will not start Major . Owen O’Malley Owen O’Malley
HADOOP-824 DFSShell should become FSShell Major . Doug Cutting
HADOOP-823 DataNode will not start up if any directories from dfs.data.dir are missing Major . Bryan Pendleton Sameer Paranjpye
HADOOP-818 ant clean test-contrib doesn’t work Major . Owen O’Malley Owen O’Malley
HADOOP-814 Increase dfs scalability by optimizing locking on namenode. Major . dhruba borthakur dhruba borthakur
HADOOP-813 map tasks lost during sort Major . Owen O’Malley Devaraj Das
HADOOP-802 mapred.speculative.execution description in hadoop-defauls.xml is not complete Trivial conf Nigel Daley Nigel Daley
HADOOP-794 JobTracker crashes with ArithmeticException Major . Nigel Daley Owen O’Malley
HADOOP-792 Invalid dfs -mv can trash your entire dfs Major . Chris Schneider
HADOOP-786 PhasedFileSystem should use debug level log for ignored exception. Trivial . Sanjay Dahiya Sanjay Dahiya
HADOOP-782 TaskTracker.java:killOverflowingTasks & TaskTracker.java:markUnresponsiveTasks only put the tip in tasksToCleanup queue, they don’t update the runningJobs Major . Arun C Murthy Arun C Murthy
HADOOP-777 the tasktracker hostname is not fully qualified Minor . Mahadev konar Mahadev konar
HADOOP-774 Datanodes fails to heartbeat when a directory with a large number of blocks is deleted Major . dhruba borthakur dhruba borthakur
HADOOP-770 When JobTracker gets restarted, Job Tracker History doesn’t show the jobs that were running. (incomplete jobs) Minor . Koji Noguchi Sanjay Dahiya
HADOOP-764 The memory consumption of processReport() in the namenode can be reduced Major . dhruba borthakur dhruba borthakur
HADOOP-752 Possible locking issues in HDFS Namenode Major . dhruba borthakur dhruba borthakur
HADOOP-745 NameNode throws FileNotFoundException: Parent path does not exist on startup Major . Nigel Daley dhruba borthakur
HADOOP-738 dfs get or copyToLocal should not copy crc file Major . Milind Bhandarkar Milind Bhandarkar
HADOOP-737 TaskTracker’s job cleanup loop should check for finished job before deleting local directories Critical . Sanjay Dahiya Arun C Murthy
HADOOP-700 bin/hadoop includes in classpath all jar files in HADOOP_HOME Major scripts Nigel Daley Doug Cutting
HADOOP-673 the task execution environment should have a current working directory that is task specific Major . Owen O’Malley Mahadev konar
HADOOP-629 none of the rpc servers check the protcol name for validity Major ipc Owen O’Malley Owen O’Malley
HADOOP-628 hadoop hdfs -cat replaces some characters with question marks. Major . arkady borkovsky Wendy Chien
HADOOP-596 TaskTracker taskstatus’s phase doesnt get updated on phase transition causing wrong values displayed in WI Major . Sanjay Dahiya Sanjay Dahiya
HADOOP-546 Task tracker doesnt generate job.xml in jobcache for some tasks ( possibly for only rescheduled tasks) Critical . Sanjay Dahiya Arun C Murthy

TESTS:

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SUB-TASKS:

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OTHER:

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