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Apache Hadoop Changelog

Release 0.4.0 - 2006-06-28

NEW FEATURES:

JIRA	Summary	Priority	Component	Reporter	Contributor
HADOOP-250	HTTP Browsing interface for DFS Health/Status	Major	.	Devaraj Das
HADOOP-123	mini map/reduce cluster for junit tests	Major	.	Owen O'Malley	Milind Bhandarkar
HADOOP-296	Do not assign blocks to a datanode with < x mb free	Major	.	Johan Oskarsson	Johan Oskarsson

IMPROVEMENTS:

JIRA	Summary	Priority	Component	Reporter	Contributor
HADOOP-298	nicer reports of progress for distcp	Minor	util	Owen O'Malley	Owen O'Malley
HADOOP-271	add links to task tracker http server from task details and failure pages	Minor	.	Owen O'Malley	Owen O'Malley
HADOOP-314	remove the append phase in sorting the reduce inputs	Major	.	Owen O'Malley	Owen O'Malley
HADOOP-301	the randomwriter example will clobber the output file	Major	.	Owen O'Malley	Owen O'Malley
HADOOP-305	tasktracker waits for 10 seconds for asking for a task.	Minor	.	Mahadev konar	Mahadev konar
HADOOP-59	support generic command-line options	Minor	conf	Doug Cutting	Hairong Kuang
HADOOP-326	cleanup of dead field (map ouput port)	Minor	.	Owen O'Malley	Owen O'Malley
HADOOP-328	add a -i option to distcp to ignore read errors of the input files	Major	util	Owen O'Malley	Owen O'Malley

BUG FIXES:

JIRA	Summary	Priority	Component	Reporter	Contributor
HADOOP-299	maps from second jobs will not run until the first job finishes completely	Major	.	Owen O'Malley	Owen O'Malley
HADOOP-210	Namenode not able to accept connections	Major	.	Mahadev konar	Devaraj Das
HADOOP-311	dfs client timeout on read kills task	Major	.	Owen O'Malley	Owen O'Malley
HADOOP-316	job tracker has a deadlock	Major	.	Owen O'Malley	Owen O'Malley
HADOOP-317	"connection was forcibly closed" Exception in RPC on Windows	Major	ipc	Konstantin Shvachko	Doug Cutting
HADOOP-319	FileSystem "close" does not remove the closed fs from the fs map	Major	fs	Hairong Kuang	Hairong Kuang
HADOOP-135	Potential deadlock in JobTracker.	Major	.	Konstantin Shvachko	Owen O'Malley
HADOOP-278	a missing map/reduce input directory does not produce a user-visible error message	Major	.	Owen O'Malley	Owen O'Malley
HADOOP-304	UnregisteredDatanodeException message correction	Trivial	.	Konstantin Shvachko	Konstantin Shvachko
HADOOP-325	ClassNotFoundException under jvm 1.6	Major	ipc	Owen O'Malley	Owen O'Malley
HADOOP-27	MapRed tries to allocate tasks to nodes that have no available disk space	Major	.	Mike Cafarella
HADOOP-99	task trackers can only be assigned one task every heartbeat	Major	.	Owen O'Malley	Owen O'Malley
HADOOP-318	Progress in writing a DFS file does not count towards Job progress and can make the task timeout	Major	.	Milind Bhandarkar	Milind Bhandarkar