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[MAPREDUCE-4632] Make sure MapReduce declares correct set of dependencies - MapReduce - [issue]
...This is the equivalent of HADOOP-8278 for MapReduce....
http://issues.apache.org/jira/browse/MAPREDUCE-4632    Author: Tom White, 2012-09-04, 16:16
[MAPREDUCE-4252] MR2 job never completes with 1 pending task - MapReduce - [issue]
...This was found by ATM:I ran a teragen with 1000 map tasks. Many task attempts failed, but after 999 of the tasks had completed, the job is now sitting forever with 1 task "pending"....
http://issues.apache.org/jira/browse/MAPREDUCE-4252    Author: Tom White, 2012-08-29, 21:30
[MAPREDUCE-3542] Support "FileSystemCounter" legacy counter group name for compatibility - MapReduce - [issue]
...The group name changed from "FileSystemCounter" to "org.apache.hadoop.mapreduce.FileSystemCounter", but we should support the old one for compatibility's sake. This came up in PIG-2347....
http://issues.apache.org/jira/browse/MAPREDUCE-3542    Author: Tom White, 2012-08-13, 19:10
[MAPREDUCE-4257] Support fair-sharing option within a MR2 Capacity Scheduler queue - MapReduce - [issue]
...The fair scheduler can run jobs in a single pool (queue) in FIFO or fair share mode. In FIFO mode one job runs at a time, in priority order, while in fair share mode multiple jobs can run at...
http://issues.apache.org/jira/browse/MAPREDUCE-4257    Author: Tom White, 2012-07-12, 01:33
[MAPREDUCE-3871] Allow symlinking in LocalJobRunner DistributedCache - MapReduce - [issue]
...Currently the LocalJobRunner doesn't create symlinks for files in the DistributedCache. It is safe to create symlinks if files of the same name don't exist. LocalJobRunner should also delete...
http://issues.apache.org/jira/browse/MAPREDUCE-3871    Author: Tom White, 2012-07-05, 12:37
[MAPREDUCE-2338] Deprecate field selection methods on JobConf - MapReduce - [issue]
...KeyFieldBasedComparator and KeyFieldBasedPartitioner are libraries so should not appear as getters and setters in JobConf. For the new API there are getters and setters on KeyFieldBasedCompa...
http://issues.apache.org/jira/browse/MAPREDUCE-2338    Author: Tom White, 2012-06-30, 17:16
[MAPREDUCE-4337] Support multiple reducers in 'uber' jobs - MapReduce - [issue]
...This is MAPREDUCE-434 for 'uber' jobs (jobs that run in the same container as the AM)....
http://issues.apache.org/jira/browse/MAPREDUCE-4337    Author: Tom White, 2012-06-12, 02:24
[MAPREDUCE-4148] MapReduce should not have a compile-time dependency on HDFS - MapReduce - [issue]
...MapReduce depends on HDFS's DelegationTokenIdentifier (for printing token debug information). We should remove this dependency and MapReduce's compile-time dependency on HDFS....
http://issues.apache.org/jira/browse/MAPREDUCE-4148    Author: Tom White, 2012-05-16, 05:55
[MAPREDUCE-4226] ConcurrentModificationException in FileSystemCounterGroup - MapReduce - [issue]
...This was seen in a Hive job. I'll attach a failing test case....
http://issues.apache.org/jira/browse/MAPREDUCE-4226    Author: Tom White, 2012-05-08, 14:03
[MAPREDUCE-4230] Ensure framework counter group synchronization is correct for serialization/deserialization - MapReduce - [issue]
...FrameworkCounterGroup and FileSystemCounterGroup may be susceptible to a race outlined in https://issues.apache.org/jira/browse/MAPREDUCE-4226?focusedCommentId=13269657&page=com.atlassia...
http://issues.apache.org/jira/browse/MAPREDUCE-4230    Author: Tom White, 2012-05-07, 19:13
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