Apache Hadoop Changelog

Release 0.8.0 - 2006-11-03

NEW FEATURES:

JIRA Summary Priority Component Reporter Contributor
HADOOP-635 hadoop dfs copy, move commands should accept multiple source files as arguments Major . dhruba borthakur
HADOOP-636 MapFile constructor should accept Progressible Major io Doug Cutting Doug Cutting

IMPROVEMENTS:

JIRA Summary Priority Component Reporter Contributor
HADOOP-583 DFSClient should use debug level to log missing data-node. Minor . Konstantin Shvachko Konstantin Shvachko
HADOOP-498 fsck should execute faster Major . Yoram Arnon Milind Bhandarkar
HADOOP-586 Job Name should not ben empty, if its is not given bu user, Hadoop should use original Jar name as the job name. Trivial . Sanjay Dahiya Sanjay Dahiya
HADOOP-625 add a little servlet to display the server’s thread call stacks Minor . Owen O’Malley Owen O’Malley
HADOOP-626 NNBench example comments are incorrect and code contains cut-and-paste error Trivial . Nigel Daley Nigel Daley
HADOOP-578 Failed tasks should not be put at the end of the job tracker’s queue Major . Owen O’Malley Sanjay Dahiya
HADOOP-660 Format of junit output should be configurable Minor . Nigel Daley Nigel Daley
HADOOP-670 Generic types for FSNamesystem Major . Konstantin Shvachko Konstantin Shvachko
HADOOP-647 Map outputs can’t have a different type of compression from the reduce outputs Major . Owen O’Malley Owen O’Malley

BUG FIXES:

JIRA Summary Priority Component Reporter Contributor
HADOOP-477 Streaming should execute Unix commands and scripts in well known languages without user specifying the path Major . arkady borkovsky dhruba borthakur
HADOOP-514 namenode heartbeat interval should be configurable Major . Wendy Chien Milind Bhandarkar
HADOOP-588 JobTracker History bug - kill() ed tasks are logged wrongly as finished. Major . Sanjay Dahiya Sanjay Dahiya
HADOOP-462 DFSShell throws out arrayoutofbounds exceptions if the number of arguments is not right Minor . Mahadev konar dhruba borthakur
HADOOP-561 one replica of a file should be written locally if possible Major . Yoram Arnon dhruba borthakur
HADOOP-610 Task Tracker offerService does not adequately protect from exceptions Major . Owen O’Malley Owen O’Malley
HADOOP-554 hadoop dfs command line doesn’t exit with status code on error Major . Marco Nicosia dhruba borthakur
HADOOP-634 Test files missing copyright headers Trivial . Nigel Daley Nigel Daley
HADOOP-627 MiniMRCluster missing synchronization Major . Nigel Daley Nigel Daley
HADOOP-563 DFS client should try to re-new lease if it gets a lease expiration exception when it adds a block to a file Major . Runping Qi dhruba borthakur
HADOOP-641 Name-node should demand a block report from resurrected data-nodes. Major . Konstantin Shvachko Konstantin Shvachko
HADOOP-642 Explicit timeout for ipc.Client Major . Konstantin Shvachko Konstantin Shvachko
HADOOP-638 TaskTracker missing synchronization around tasks variable access Major . Nigel Daley Nigel Daley
HADOOP-624 fix warning about pathSpec should start with ‘/’ or ‘*’ : mapOutput Minor . Owen O’Malley Owen O’Malley
HADOOP-658 source headers must conform to new Apache guidelines Major . Doug Cutting Doug Cutting
HADOOP-482 unit test hangs when a cluster is running on the same machine Minor . Wendy Chien Wendy Chien
HADOOP-90 DFS is succeptible to data loss in case of name node failure Major . Yoram Arnon Konstantin Shvachko
HADOOP-651 fsck does not handle arguments -blocks and -locations correctly Major . Milind Bhandarkar Milind Bhandarkar
HADOOP-553 DataNode and NameNode main() should catch and report exceptions. Major . Konstantin Shvachko Raghu Angadi
HADOOP-399 the javadoc currently generates lot of warnings about bad fields Trivial . Owen O’Malley Nigel Daley
HADOOP-599 DFS Always Reports 0 Bytes Used Minor . Albert Chern Raghu Angadi
HADOOP-663 ant test is failing Major . Mahadev konar Mahadev konar
HADOOP-664 build doesn’t fail if libhdfs test(s) fail Minor . Nigel Daley Nigel Daley
HADOOP-633 if the jobinit thread gets killed the jobtracker keeps running without doing anything. Minor . Mahadev konar Owen O’Malley
HADOOP-669 Upgrade to trunk causes data loss. Blocker . Milind Bhandarkar Milind Bhandarkar
HADOOP-373 Some calls to mkdirs do not check return value Major . Wendy Chien Wendy Chien
HADOOP-671 Distributed cache creates unnecessary symlinks if asked for creating symlinks Major . Mahadev konar Mahadev konar
HADOOP-665 hadoop -rmr does NOT process multiple arguments and does not complain Minor . dhruba borthakur dhruba borthakur
HADOOP-572 Chain reaction in a big cluster caused by simultaneous failure of only a few data-nodes. Major . Konstantin Shvachko Sameer Paranjpye