Apache Hadoop Changelog

Release 0.11.0 - 2007-02-02

NEW FEATURES:

JIRA Summary Priority Component Reporter Contributor
HADOOP-852 want ant task for record definitions Major record Doug Cutting Milind Bhandarkar
HADOOP-908 Hadoop Abacus, a package for performing simple counting/aggregation Major . Runping Qi Runping Qi
HADOOP-918 Examples of Abacus using Python plugins Major . Runping Qi Runping Qi
HADOOP-732 SequenceFile’s header should allow to store metadata in the form of key/value pairs Major io Runping Qi Runping Qi
HADOOP-884 Create scripts to run Hadoop on Amazon EC2 Major scripts Tom White Tom White
HADOOP-961 a cli tool to get the event logs from a job Major . Owen O’Malley Owen O’Malley
HADOOP-967 flip boolean to have rpc clients send a header Major ipc Owen O’Malley Owen O’Malley

IMPROVEMENTS:

JIRA Summary Priority Component Reporter Contributor
HADOOP-842 change the open method in ClientProtocol to take an additional argument: clientMachine Major . Hairong Kuang Hairong Kuang
HADOOP-890 Update tag and metric names to conform to HADOOP-887 Minor metrics Nigel Daley Nigel Daley
HADOOP-801 job tracker should keep a log of task completion and failure Major . Owen O’Malley Sanjay Dahiya
HADOOP-897 Need a simpler way to specify arbitrary options to java compiler while building Hadoop Minor build Milind Bhandarkar Milind Bhandarkar
HADOOP-830 Improve the performance of the Merge phase Major . Devaraj Das Devaraj Das
HADOOP-833 need documentation of native build requirements Major documentation Doug Cutting Arun C Murthy
HADOOP-726 HDFS locking mechanisms should be simplified or removed Minor . Sameer Paranjpye Raghu Angadi
HADOOP-659 Boost the priority of re-replicating blocks that are far from their replication target Major . Konstantin Shvachko Hairong Kuang
HADOOP-936 More updates to metric names to conform to HADOOP-887 Minor . Nigel Daley
HADOOP-602 Remove Lucene dependency Major . Andrzej Bialecki Milind Bhandarkar
HADOOP-788 Streaming should use a subclass of TextInputFormat for reading text inputs. Major . Owen O’Malley Sanjay Dahiya
HADOOP-963 improve the stack trace returned by RPC client Major ipc Owen O’Malley Owen O’Malley
HADOOP-862 Add handling of s3 to CopyFile tool Minor util stack
HADOOP-692 Rack-aware Replica Placement Major . Hairong Kuang Hairong Kuang
HADOOP-805 JobClient should print the Task’s stdout and stderr to the clients console Major . Owen O’Malley Sanjay Dahiya

BUG FIXES:

JIRA Summary Priority Component Reporter Contributor
HADOOP-781 Remove from trunk things deprecated in 0.10 branch. Major . Doug Cutting Doug Cutting
HADOOP-757 “Bad File Descriptor” in closing DFS file Major . Owen O’Malley Raghu Angadi
HADOOP-855 HDFS should repair corrupted files Major . Wendy Chien Wendy Chien
HADOOP-886 thousands of TimerThreads created by metrics API Major metrics Nigel Daley Nigel Daley
HADOOP-899 Removal of deprecated code (in v0.10.0) from trunk breaks libhdfs Major . Sameer Paranjpye Sameer Paranjpye
HADOOP-898 namenode generates infinite stream of null pointers Major . Owen O’Malley Raghu Angadi
HADOOP-905 Code to qualify inputDirs doesn’t affect path validation Major fs Kenji Matsuoka
HADOOP-902 NPE in DFSOutputStream.closeBackupStream() Major . Raghu Angadi Raghu Angadi
HADOOP-735 The underlying data structure, ByteArrayOutputStream, for buffer type of Hadoop record is inappropriate Major record Runping Qi Milind Bhandarkar
HADOOP-916 HADOOP-908 patch causes javadoc warnings Trivial . Nigel Daley Nigel Daley
HADOOP-901 Make S3FileSystem do recursive renames Major fs Tom White
HADOOP-912 TestMiniMRWithDFS fails sporadically Major . Nigel Daley Arun C Murthy
HADOOP-920 MapFileOutputFormat and SequenceFileOutputFormat use incorrect key/value classes in map/reduce tasks Major . Andrzej Bialecki Andrzej Bialecki
HADOOP-758 FileNotFound on DFS block file Major . Owen O’Malley Raghu Angadi
HADOOP-909 dfs “du” shows that the size of a subdirectory is 0 Major . Hairong Kuang Hairong Kuang
HADOOP-731 Sometimes when a dfs file is accessed and one copy has a checksum error the I/O command fails, even if another copy is alright. Major . Dick King Wendy Chien
HADOOP-929 PhasedFileSystem should implement get/set configuration Major . Sanjay Dahiya Sanjay Dahiya
HADOOP-935 Abacus should not delete the output dir Major . Runping Qi Runping Qi
HADOOP-856 fsck reports a non-existant DFS path as healthy Minor . Nigel Daley Milind Bhandarkar
HADOOP-227 Namespace check pointing is not performed until the namenode restarts. Major . Konstantin Shvachko dhruba borthakur
HADOOP-937 data node re-registration Major . Hairong Kuang Hairong Kuang
HADOOP-922 Optimize small reads and seeks Major . dhruba borthakur dhruba borthakur
HADOOP-959 TestCheckpoint fails on Windows Major . dhruba borthakur dhruba borthakur
HADOOP-934 TaskTracker sends duplicate status when updating task metrics throws exception Major . Nigel Daley Arun C Murthy
HADOOP-881 job history web/ui does not count task failures correctly Major . Owen O’Malley Sanjay Dahiya
HADOOP-962 Hadoop EC2 scripts are not executable Major scripts Tom White Tom White
HADOOP-549 NullPointerException in TaskReport’s serialization code Major . Michel Tourn Owen O’Malley
HADOOP-405 Duplicate browseDirectory.jsp Minor . Konstantin Shvachko navychen
HADOOP-964 ClassNotFoundException in ReduceTaskRunner Blocker . Dennis Kubes
HADOOP-969 deadlock in job tracker RetireJobs Critical . Owen O’Malley Owen O’Malley
HADOOP-965 Isolation Runner looking for job.jar in wrong directory Major . Dennis Kubes
HADOOP-309 NullPointerException in StatusHttpServer Minor . Konstantin Shvachko navychen