Apache Hadoop Changelog

Release 0.6.0 - 2006-09-08

NEW FEATURES:

JIRA Summary Priority Component Reporter Contributor
HADOOP-456 Checkpointing and logging of data node descriptors Major . Konstantin Shvachko Konstantin Shvachko
HADOOP-322 Need a job control utility to submit and monitor a group of jobs which have DAG dependency Major . Runping Qi Runping Qi
HADOOP-497 DataNodes and TaskTrackers should be able to report hostnames and ips relative to customizable network interfaces and nameservers Minor util Lorenzo Thione Lorenzo Thione
HADOOP-441 SequenceFile should support ‘custom compressors’ Major io Arun C Murthy Arun C Murthy

IMPROVEMENTS:

JIRA Summary Priority Component Reporter Contributor
HADOOP-450 Remove the need for users to specify the types of the inputs Major . Owen O’Malley Owen O’Malley
HADOOP-464 Troubleshooting message for RunJar (bin/hadoop jar) Major util Michel Tourn
HADOOP-468 Setting scheduling priority in hadoop-env.sh Minor . Vetle Roeim
HADOOP-54 SequenceFile should compress blocks, not individual entries Major io Doug Cutting Arun C Murthy
HADOOP-486 adding username to jobstatus Minor . Mahadev konar Mahadev konar
HADOOP-437 support gzip input files Major . Michel Tourn
HADOOP-463 variable expansion in Configuration Major conf Michel Tourn
HADOOP-488 Change ToolBase.doMain() to return a status code Major . Andrzej Bialecki
HADOOP-499 Avoid the use of Strings to improve the performance of hadoop streaming Major . Hairong Kuang Hairong Kuang
HADOOP-64 DataNode should be capable of managing multiple volumes Minor . Sameer Paranjpye Milind Bhandarkar
HADOOP-312 Connections should not be cached Major ipc Devaraj Das Devaraj Das
HADOOP-483 Document libhdfs and fix some OS specific stuff in Makefile Major . Arun C Murthy Arun C Murthy
HADOOP-474 support compressed text files as input and output Major . Owen O’Malley Owen O’Malley

BUG FIXES:

JIRA Summary Priority Component Reporter Contributor
HADOOP-427 DatanodeInfo class should be used instead of DatanodeDescriptor in the jsp & related files Major . Devaraj Das Devaraj Das
HADOOP-426 streaming unit tests failing on SunOS Major . Doug Cutting Michel Tourn
HADOOP-400 the job tracker re-runs failed tasks on the same node Major . Owen O’Malley Owen O’Malley
HADOOP-324 “IOException: No space left on device” is handled incorrectly Major . Konstantin Shvachko Wendy Chien
HADOOP-434 Use Hadoop scripts to run smallJobsBenchmark to avoid classpath issues. Major . Sanjay Dahiya Sanjay Dahiya
HADOOP-453 bug in Text.setCapacity( int len ) Minor . Sami Siren
HADOOP-455 Text class should support the DEL character Major io Hairong Kuang Hairong Kuang
HADOOP-176 comparators of integral writable types are not transitive for inequalities Major io Dick King
HADOOP-421 replace String in hadoop record io with the new Text class Major record Owen O’Malley Milind Bhandarkar
HADOOP-469 Portability of hadoop shell scripts for deployment Major . Jean-Baptiste Quenot
HADOOP-473 TextInputFormat does not correctly handle all line endings Major . Dennis Kubes
HADOOP-281 dfs.FSDirectory.mkdirs can create sub-directories of a file! Major . Sameer Paranjpye Wendy Chien
HADOOP-419 libdfs doesn’t work with application threads Major . Christian Kunz Owen O’Malley
HADOOP-460 Small jobs benchmark fails with current Hadoop due to UTF8 -> Text ClassCastException Major . Sanjay Dahiya
HADOOP-196 Fix buggy uselessness of Configuration( Configuration other) constructor Major conf alan wootton
HADOOP-501 toString(resources, sb) in Configuration.java throws a ClassCastException since resources can be loaded from an URL Minor . Thomas Friol
HADOOP-424 mapreduce jobs fail when no split is returned via inputFormat.getSplits Major . Frédéric Bertin
HADOOP-507 Runtime exception in org.apache.hadoop.io.WritableFactories.newInstance when trying to startup namenode/datanode Major util Arun C Murthy Owen O’Malley
HADOOP-320 bin/hadoop dfs -mv does not mv source’s checksum file if source is a file Major . Hairong Kuang Hairong Kuang
HADOOP-286 copyFromLocal throws LeaseExpiredException Major . Runping Qi Konstantin Shvachko
HADOOP-50 dfs datanode should store blocks in multiple directories Major . Doug Cutting Milind Bhandarkar
HADOOP-458 libhdfs corrupts memory Major . Christian Kunz Konstantin Shvachko
HADOOP-517 readLine function of UTF8ByteArrayUtils does not handle end of line correctly Major . Hairong Kuang Hairong Kuang

OTHER:

JIRA Summary Priority Component Reporter Contributor
HADOOP-408 Unit tests take too long to run. Minor . Doug Cutting