Project: Apache Hadoop (App Definition and Development / Database)
File: CHANGELOG.0.1.0.md

<! --> | JIRA | Summary | Priority | Component | Reporter | Contributor | |:- |:- | : |:- |:- |:- | | | A way to determine the size and overall activity of the cluster | Major | . | Owen O'Malley | | | | binary key | Major | io | Owen O'Malley | Owen O'Malley | | | RPC exceptions should include remote stack trace | Major | ipc | Doug Cutting | Doug Cutting | | | user-specified job names | Major | . | Doug Cutting | Owen O'Malley | | JIRA | Summary | Priority | Component | Reporter | Contributor | |:- |:- | : |:- |:- |:- | | | a new map/reduce example and moving the examples from src/java to src/examples | Minor | . | Owen O'Malley | Owen O'Malley | | | Mapper, Reducer need an occasion to cleanup after the last record is processed. | Major | . | Michel Tourn | | | | DFS shell: support for ls -r and cat | Major | . | Michel Tourn | | | | default splitter should incorporate fs block size | Major | . | Doug Cutting | | | | Adding some uniformity/convenience to environment management | Major | conf | Bryan Pendleton | | | | JobClient cannot use a non-default server (unlike DFSShell) | Major | . | Michel Tourn | Michel Tourn | | | JAVA\_OPTS for the TaskRunner Child | Minor | conf | stack | | | | Specification of alternate conf. directory | Minor | . | stack | | | | listFiles optimization | Major | . | Konstantin Shvachko | Konstantin Shvachko | | | SequenceFile performance degrades substantially compression is on and large values are encountered | Major | io | Sameer Paranjpye | Doug Cutting | | | JobTracker should log task errors | Major | . | Doug Cutting | Doug Cutting | | | Added statistic/reporting info to DFS | Trivial | . | Barry Kaplan | Doug Cutting | | | DF enhancement: performance and win XP support | Minor | fs | Konstantin Shvachko | Konstantin Shvachko | | | introduce a common parent class for Mapper and Reducer | Minor | . | Owen O'Malley | Owen O'Malley | | JIRA | Summary | Priority | Component | Reporter | Contributor | |:- |:- | : |:- |:- |:- | | | missing build directory in classpath | Minor | . | Owen O'Malley | | | | MapReduce has a series of problems concerning task-allocation to worker nodes | Major | . | Mike Cafarella | | | | ndfs.replication is not documented within the nutch-default.xml configuration file. | Trivial | . | Rod Taylor | | | | need commons-logging-api jar file | Minor | . | Owen O'Malley | | | | the webapps need to be updated for the move from nutch | Minor | . | Owen O'Malley | | | | remove unused imports | Trivial | . | Sami Siren | | | | webapps broken | Major | . | Owen O'Malley | | | | InputFormat used in job must be in JobTracker classpath (not loaded from job JAR) | Minor | . | Bryan Pendleton | | | | Build Paths Relative to PWD in

| Trivial | . | Jeremy Bensley | | | | PositionCache decrements its position for reads at the end of file | Major | fs | Konstantin Shvachko | | | | bufferSize argument is ignored in FileSystem.create(File, boolean, int) | Minor | fs | Konstantin Shvachko | | | | RPC call times out while indexing map task is computing splits | Major | . | Chris Schneider | Mike Cafarella | | | hadoop dfs -ls / does not show root of file system | Minor | . | Yoram Arnon | | | | dfs client writes all data for a chunk to /tmp | Major | . | Sameer Paranjpye | Doug Cutting | | | the two file system tests TestDFS and TestFileSystem take too long | Major | . | Owen O'Malley | Owen O'Malley | | | hang / crash when input folder does not exists. | Critical | . | Stefan Groschupf | | | | rpc commands not buffered | Major | ipc | Owen O'Malley | Owen O'Malley | | | speculative execution is only controllable from the default config | Major | . | Owen O'Malley | Owen O'Malley | | | JobTracker loses it: NoSuchElementException | Minor | . | stack | | | | If corrupted map outputs, reducers get stuck fetching forever | Major | . | stack | Doug Cutting | | | allow minimum split size configurable | Major | . | Hairong Kuang | Doug Cutting | | | DFSShell.cat returns NullPointerException if file does not exist | Major | . | Konstantin Shvachko | Konstantin Shvachko | | | Output directories are not cleaned up before the reduces run | Minor | . | Owen O'Malley | Owen O'Malley | | | infinite retries accessing a missing block | Major | . | Yoram Arnon | Konstantin Shvachko | | | mapred input and output dirs must be absolute | Major | . | Doug Cutting | Owen O'Malley | | | The JobTracker's count of the number of running maps and reduces is wrong | Major | . | Owen O'Malley | Owen O'Malley | | | Datanode corruption | Critical | . | Rod Taylor | Doug Cutting | | | client should report file name in which IO exception occurs | Minor | . | Yoram Arnon | Konstantin Shvachko | | | Reused Keys and Values fail with a Combiner | Major | . | Owen O'Malley | Owen O'Malley | | | new key and value instances are allocated before each map | Major | . | Owen O'Malley | Owen O'Malley | | | Namenode errors "Failed to complete filename.crc because dir.getFile()==null and null" | Major | . | Igor Bolotin | Doug Cutting | | | Inconsistent locking of the JobTracker.taskTrackers field | Major | . | Owen O'Malley | Owen O'Malley | | | Two identical consecutive loops in FSNamesystem.chooseTarget() | Major | . | Konstantin Shvachko | Konstantin Shvachko | | | copyFromLocal should exclude .crc files | Minor | . | Monu Ogbe | Doug Cutting | | JIRA | Summary | Priority | Component | Reporter | Contributor | |:- |:- | : |:- |:- |:- | | | initial import of code from Nutch | Major | . | Doug Cutting | Doug Cutting |