Project: Apache Hadoop (App Definition and Development / Database)
File: CHANGELOG.0.9.0.md

<! --> | JIRA | Summary | Priority | Component | Reporter | Contributor | |:- |:- | : |:- |:- |:- | | | SequenceFile.Sorter should have a merge method that returns an iterator | Major | io | Owen O'Malley | Devaraj Das | | JIRA | Summary | Priority | Component | Reporter | Contributor | |:- |:- | : |:- |:- |:- | | | remove deprecations | Minor | . | Doug Cutting | Doug Cutting | | | Upgrade Jetty to 6.x | Major | . | Owen O'Malley | Sanjay Dahiya | | | move dfs administrative interfaces to a separate command | Major | . | dhruba borthakur | dhruba borthakur | | | The final merge on the reduces should feed the reduce directly | Major | . | Owen O'Malley | Devaraj Das | | | JobConf for a job should be viewable from the web/ui | Major | . | Owen O'Malley | Arun C Murthy | | | Seperating user logs from system logs in map reduce | Minor | . | Mahadev konar | Arun C Murthy | | | improvement to DFS browsing WI | Minor | . | Yoram Arnon | Hairong Kuang | | | Implement a nio's 'direct buffer' based wrapper over zlib to improve performance of java.util.zip.{De\|In}flater as a 'custom codec' | Major | io | Arun C Murthy | Arun C Murthy | | | jobconf.jsp shouldn't find the jobconf.xsl via http | Major | . | Owen O'Malley | Arun C Murthy | | | chooseTargets method in FSNamesystem is very inefficient | Major | . | Milind Bhandarkar | Milind Bhandarkar | | | RPC should send a fixed header and version at the start of connection | Major | ipc | Owen O'Malley | Owen O'Malley | | | Implement speculative re-execution of reduces | Minor | . | Doug Cutting | Sanjay Dahiya | | | hadoop should provide a common way to wrap instances with different types into one type | Major | io | Feng Jiang | | | JIRA | Summary | Priority | Component | Reporter | Contributor | |:- |:- | : |:- |:- |:- | | | hadoop namenode -format doesnt work anymore if target directory doesnt exist | Major |

| Sanjay Dahiya | | | | Upgrade to Jetty 6 does not patch bin/hadoop | Critical | scripts | Sameer Paranjpye | Sameer Paranjpye | | | bin/hadoop.sh doesn't work for /bin/dash (eg ubuntu 6.10b) | Trivial | scripts | James Todd | | | | DataNodes get NullPointerException and become unresponsive on 50010 | Major | . | Christian Kunz | Raghu Angadi | | | libhdfs leaks memory when writing to files | Major | . | Christian Kunz | Sameer Paranjpye | | | jobtracker expireluanching tasks throws out Nullpointer exceptions | Minor | . | Mahadev konar | Mahadev konar | | | ipc.Server has memory leak -- serious issue for namenode server | Major | ipc | Christian Kunz | Raghu Angadi | | | TestTextInputFormat fails on some platforms due to non-determinism in format.getSplits() | Minor | test | Sameer Paranjpye | Sameer Paranjpye | | | test-libhdfs.sh does not properly capture and return error status | Major | test | Nigel Daley | Nigel Daley | | | name node server does not load large (\> 2^31 bytes) edits file | Critical | . | Christian Kunz | Milind Bhandarkar | | | IOException: job.xml already exists | Major | . | Nigel Daley | Mahadev konar | | | Record-IO XML serialization is broken for control characters | Major | record | Milind Bhandarkar | Milind Bhandarkar | | | Javadoc warning in SequenceFile.java | Minor | io | Devaraj Das | Devaraj Das | | | build.xml sets up wrong 'hadoop.log.dir' property for 'ant test' | Minor | test | Arun C Murthy | Arun C Murthy | | | native-hadoop deficiencies | Critical | . | Arun C Murthy | Arun C Murthy | | | block size isn't honored | Major | . | Nigel Daley | Milind Bhandarkar | | | Unexpected NPE from the next method of StreamLineRecordReader fails map/reduce jobs | Major | . | Hairong Kuang | Hairong Kuang | | | Map-reduce task does not finish correctly when -reducer NONE is specified | Major | . | dhruba borthakur | dhruba borthakur | | | packageNativeHadoop.sh has non-standard sh code | Critical | scripts | Arun C Murthy | Arun C Murthy | | | Not all Datastructures are updated when a block is deleted | Major | . | Raghu Angadi | | | | Race condition exists in the method MapOutputLocation.getFile | Major |

| Devaraj Das | Owen O'Malley | | | DistributedFileSystem.getBlockSize(Path) does not resolve absolute path | Major | . | Benjamin Reed | Raghu Angadi | | | bin/hadoop:111 uses java directly, it should use JAVA\_HOME | Minor | scripts | Sanjay Dahiya | Arun C Murthy | | | dfs shell has inconsistent exit codes | Major | . | Christian Kunz | dhruba borthakur | | | Link to the FAQ in the "Documentation" section of the hadoop website | Major | . | Konstantin Shvachko | Konstantin Shvachko | | | streaming job with Control characters in the command causes runtime exception in the job tracker | Major | . | dhruba borthakur | dhruba borthakur | | | "Browse the filesystem" link on Name Node redirects to wrong port on DataNode | Major | . | Raghu Angadi | Raghu Angadi | | | Roll back Jetty6.0.1 to Jetty5.1.4 | Major | . | Devaraj Das | Devaraj Das | | | TestIPC occassionally fails with BindException | Minor | test | Nigel Daley | Nigel Daley | | | Fix average progress calculation in speculative execution of maps + fix pending issues in speculative execution of reduces | Major | . | Sanjay Dahiya | Sanjay Dahiya | | | The jobfailures.jsp gets a NullPointerException after a task tracker has been lost | Major | . | Owen O'Malley | Owen O'Malley | | | RecordIO compiler does not produce correct Java code when buffer is used as key or value in map | Major | record | Milind Bhandarkar | Milind Bhandarkar | | | When DFS client fails to read from a datanode, the failed datanode is not excluded from target reselection | Major | . | Hairong Kuang | Milind Bhandarkar | | | http server should die if the Datanode fails. | Major | . | Konstantin Shvachko | Wendy Chien | | | race condition on stalled map output fetches | Major | . | Owen O'Malley | Owen O'Malley | | | Map-reduce task does not produce correct results when -reducer NONE is specified through streaming | Major | . | dhruba borthakur | Sanjay Dahiya | | JIRA | Summary | Priority | Component | Reporter | Contributor | |:- |:- | : |:- |:- |:- | | | add a unit test for multiple datanodes in a machine | Major | . | Yoram Arnon | Milind Bhandarkar |