Apache Hadoop Changelog

Release 0.20.2 - 2010-02-16


JIRA Summary Priority Component Reporter Contributor
HDFS-793 DataNode should first receive the whole packet ack message before it constructs and sends its own ack message for the packet Blocker datanode Hairong Kuang Hairong Kuang


JIRA Summary Priority Component Reporter Contributor
MAPREDUCE-623 Resolve javac warnings in mapred Major build Jothi Padmanabhan Jothi Padmanabhan
HADOOP-1849 IPC server max queue size should be configurable Major ipc Raghu Angadi Konstantin Shvachko


JIRA Summary Priority Component Reporter Contributor
HADOOP-5759 IllegalArgumentException when CombineFileInputFormat is used as job InputFormat Major . Amareshwari Sriramadasu Amareshwari Sriramadasu
MAPREDUCE-826 harchive doesn’t use ToolRunner / harchive returns 0 even if the job fails with exception Trivial harchive Koji Noguchi Koji Noguchi
MAPREDUCE-112 Reduce Input Records and Reduce Output Records counters are not being set when using the new Mapreduce reducer API Blocker . Jothi Padmanabhan Jothi Padmanabhan
HADOOP-6231 Allow caching of filesystem instances to be disabled on a per-instance basis Major fs Tom White Ben Slusky
MAPREDUCE-979 JobConf.getMemoryFor{Map|Reduce}Task doesn’t fallback to newer config knobs when mapred.taskmaxvmem is set to DISABLED_MEMORY_LIMIT of -1 Blocker jobtracker, tasktracker Arun C Murthy Sreekanth Ramakrishnan
HDFS-677 Rename failure due to quota results in deletion of src directory Blocker namenode Suresh Srinivas Suresh Srinivas
HDFS-579 HADOOP-3792 update of DfsTask incomplete Major hdfs-client Christian Kunz Christian Kunz
MAPREDUCE-1070 Deadlock in FairSchedulerServlet Major . Todd Lipcon Todd Lipcon
HADOOP-6097 Multiple bugs w/ Hadoop archives Major fs Ben Slusky Ben Slusky
HDFS-723 Deadlock in DFSClient#DFSOutputStream Blocker . Hairong Kuang Hairong Kuang
HDFS-732 HDFS files are ending up truncated Blocker hdfs-client Christian Kunz Tsz Wo Nicholas Sze
MAPREDUCE-1163 hdfsJniHelper.h: Yahoo! specific paths are encoded Trivial . Allen Wittenauer Allen Wittenauer
HDFS-761 Failure to process rename operation from edits log due to quota verification Major namenode Suresh Srinivas Suresh Srinivas
MAPREDUCE-1068 In hadoop-0.20.0 streaming job do not throw proper verbose error message if file is not present Major contrib/streaming Peeyush Bishnoi Amareshwari Sriramadasu
HDFS-596 Memory leak in libhdfs: hdfsFreeFileInfo() in libhdfs does not free memory for mOwner and mGroup Blocker fuse-dfs Zhang Bingjun Zhang Bingjun
MAPREDUCE-1147 Map output records counter missing for map-only jobs in new API Blocker . Chris Douglas Amar Kamat
HADOOP-6269 Missing synchronization for defaultResources in Configuration.addResource Major conf Todd Lipcon Sreekanth Ramakrishnan
MAPREDUCE-1182 Reducers fail with OutOfMemoryError while copying Map outputs Blocker . Chandra Prakash Bhagtani Chandra Prakash Bhagtani
HDFS-781 Metrics PendingDeletionBlocks is not decremented Blocker namenode Suresh Srinivas Suresh Srinivas
HDFS-185 Chown , chgrp , chmod operations allowed when namenode is in safemode . Major . Ravi Phulari Ravi Phulari
HADOOP-6428 HttpServer sleeps with negative values Major . Tsz Wo Nicholas Sze Konstantin Boudnik
HDFS-101 DFS write pipeline : DFSClient sometimes does not detect second datanode failure Blocker datanode Raghu Angadi Hairong Kuang
HADOOP-6460 Namenode runs of out of memory due to memory leak in ipc Server Blocker . Suresh Srinivas Suresh Srinivas
HADOOP-5623 Streaming: process provided status messages are overwritten every 10 seoncds Major . Rick Cox Rick Cox
HADOOP-6315 GzipCodec should not represent BuiltInZlibInflater as decompressorType Major io Aaron Kimball Aaron Kimball
HDFS-187 TestStartup fails if hdfs is running in the same machine Major test Tsz Wo Nicholas Sze Todd Lipcon
HDFS-745 TestFsck timeout on 0.20. Major . Tsz Wo Nicholas Sze Tsz Wo Nicholas Sze
MAPREDUCE-433 TestReduceFetch failed. Major . Tsz Wo Nicholas Sze Chris Douglas
HADOOP-6498 IPC client bug may cause rpc call hang Blocker ipc Ruyue Ma Ruyue Ma
HDFS-872 DFSClient 0.20.1 is incompatible with HDFS 0.20.2 Major datanode, hdfs-client Bassam Tabbara Todd Lipcon
MAPREDUCE-1010 Adding tests for changes in archives. Minor harchive Mahadev konar Mahadev konar
HADOOP-6506 Failing tests prevent the rest of test targets from execution. Major build Konstantin Boudnik Konstantin Boudnik
HADOOP-6524 Contrib tests are failing Clover’ed build Major build Konstantin Boudnik Konstantin Boudnik
HDFS-927 DFSInputStream retries too many times for new block locations Critical hdfs-client Todd Lipcon Todd Lipcon
HADOOP-5611 C++ libraries do not build on Debian Lenny Critical . Todd Lipcon Todd Lipcon
MAPREDUCE-1251 c++ utils doesn’t compile Major . Eli Collins Eli Collins
HADOOP-5612 Some c++ scripts are not chmodded before ant execution Major build Todd Lipcon Todd Lipcon
HADOOP-6575 Tests do not run on 0.20 branch Major . Chris Douglas Chris Douglas
HADOOP-6576 TestStreamingStatus is failing on 0.20 branch Major . Chris Douglas Todd Lipcon
MAPREDUCE-617 Streaming should not throw java.lang.RuntimeException and ERROR while displaying help Minor contrib/streaming Karam Singh


JIRA Summary Priority Component Reporter Contributor
HDFS-919 Create test to validate the BlocksVerified metric Major test gary murry
HDFS-907 Add tests for getBlockLocations and totalLoad metrics. Minor namenode Ravi Phulari Ravi Phulari