|  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  | 
   |