Project: Apache Hadoop (App Definition and Development / Database)
File: CHANGELOG.0.20.2.md

<! --> | JIRA | Summary | Priority | Component | Reporter | Contributor | |:- |:- | : |:- |:- |:- | | | 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 | |:- |:- | : |:- |:- |:- | | | Resolve javac warnings in mapred | Major | build | Jothi Padmanabhan | Jothi Padmanabhan | | | IPC server max queue size should be configurable | Major | ipc | Raghu Angadi | Konstantin Shvachko | | JIRA | Summary | Priority | Component | Reporter | Contributor | |:- |:- | : |:- |:- |:- | | | IllegalArgumentException when CombineFileInputFormat is used as job InputFormat | Major | . | Amareshwari Sriramadasu | Amareshwari Sriramadasu | | | harchive doesn't use ToolRunner / harchive returns 0 even if the job fails with exception | Trivial | harchive | Koji Noguchi | Koji Noguchi | | | Reduce Input Records and Reduce Output Records counters are not being set when using the new Mapreduce reducer API | Blocker | . | Jothi Padmanabhan | Jothi Padmanabhan | | | Allow caching of filesystem instances to be disabled on a per-instance basis | Major | fs | Tom White | Ben Slusky | | | 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 | | | Rename failure due to quota results in deletion of src directory | Blocker | namenode | Suresh Srinivas | Suresh Srinivas | | | HADOOP-3792 update of DfsTask incomplete | Major | hdfs-client | Christian Kunz | Christian Kunz | | | Deadlock in FairSchedulerServlet | Major | . | Todd Lipcon | Todd Lipcon | | | Multiple bugs w/ Hadoop archives | Major | fs | Ben Slusky | Ben Slusky | | | Deadlock in DFSClient#DFSOutputStream | Blocker | . | Hairong Kuang | Hairong Kuang | | | HDFS files are ending up truncated | Blocker | hdfs-client | Christian Kunz | Tsz Wo Nicholas Sze | | | hdfsJniHelper.h: Yahoo! specific paths are encoded | Trivial | . | Allen Wittenauer | Allen Wittenauer | | | Failure to process rename operation from edits log due to quota verification | Major | namenode | Suresh Srinivas | Suresh Srinivas | | | 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 | | | Memory leak in libhdfs: hdfsFreeFileInfo() in libhdfs does not free memory for mOwner and mGroup | Blocker | fuse-dfs | Zhang Bingjun | Zhang Bingjun | | | Map output records counter missing for map-only jobs in new API | Blocker | . | Chris Douglas | Amar Kamat | | | Missing synchronization for defaultResources in

| Major | conf | Todd Lipcon | Sreekanth Ramakrishnan | | | Reducers fail with OutOfMemoryError while copying Map outputs | Blocker | . | Chandra Prakash Bhagtani | Chandra Prakash Bhagtani | | | Metrics PendingDeletionBlocks is not decremented | Blocker | namenode | Suresh Srinivas | Suresh Srinivas | | | Chown , chgrp , chmod operations allowed when namenode is in safemode . | Major | . | Ravi Phulari | Ravi Phulari | | | HttpServer sleeps with negative values | Major | . | Tsz Wo Nicholas Sze | Konstantin Boudnik | | | DFS write pipeline : DFSClient sometimes does not detect second datanode failure | Blocker | datanode | Raghu Angadi | Hairong Kuang | | | Namenode runs of out of memory due to memory leak in ipc Server | Blocker | . | Suresh Srinivas | Suresh Srinivas | | | Streaming: process provided status messages are overwritten every 10 seoncds | Major | . | Rick Cox | Rick Cox | | | GzipCodec should not represent BuiltInZlibInflater as decompressorType | Major | io | Aaron Kimball | Aaron Kimball | | | TestStartup fails if hdfs is running in the same machine | Major | test | Tsz Wo Nicholas Sze | Todd Lipcon | | | TestFsck timeout on 0.20. | Major | . | Tsz Wo Nicholas Sze | Tsz Wo Nicholas Sze | | | TestReduceFetch failed. | Major | . | Tsz Wo Nicholas Sze | Chris Douglas | | | IPC client bug may cause rpc call hang | Blocker | ipc | Ruyue Ma | Ruyue Ma | | | DFSClient 0.20.1 is incompatible with HDFS 0.20.2 | Major | datanode, hdfs-client | Bassam Tabbara | Todd Lipcon | | | Adding tests for changes in archives. | Minor | harchive | Mahadev konar | Mahadev konar | | | Failing tests prevent the rest of test targets from execution. | Major | build | Konstantin Boudnik | Konstantin Boudnik | | | Contrib tests are failing Clover'ed build | Major | build | Konstantin Boudnik | Konstantin Boudnik | | | DFSInputStream retries too many times for new block locations | Critical | hdfs-client | Todd Lipcon | Todd Lipcon | | | C++ libraries do not build on Debian Lenny | Critical | . | Todd Lipcon | Todd Lipcon | | | c++ utils doesn't compile | Major | . | Eli Collins | Eli Collins | | | Some c++ scripts are not chmodded before ant execution | Major | build | Todd Lipcon | Todd Lipcon | | | Tests do not run on 0.20 branch | Major | . | Chris Douglas | Chris Douglas | | | TestStreamingStatus is failing on 0.20 branch | Major | . | Chris Douglas | Todd Lipcon | | | Streaming should not throw java.lang.RuntimeException and ERROR while displaying help | Minor | contrib/streaming | Karam Singh | | | JIRA | Summary | Priority | Component | Reporter | Contributor | |:- |:- | : |:- |:- |:- | | | Create test to validate the BlocksVerified metric | Major | test | gary murry | | | | Add tests for getBlockLocations and totalLoad metrics. | Minor | namenode | Ravi Phulari | Ravi Phulari |