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[MAPREDUCE-4875] coverage fixing for org.apache.hadoop.mapred - MapReduce - [issue]
...added  some tests for org.apache.hadoop.mapredMAPREDUCE-4875-trunk.patch for trunk and branch-2MAPREDUCE-4875-branch-0.23.patch for branch-0.23...
http://issues.apache.org/jira/browse/MAPREDUCE-4875    Author: Aleksey Gorshkov, 2014-09-03, 23:57
[MAPREDUCE-5042] Reducer unable to fetch for a map task that was recovered - MapReduce - [issue]
...If an application attempt fails and is relaunched the AM will try to recover previously completed tasks.  If a reducer needs to fetch the output of a map task attempt that was recovered...
http://issues.apache.org/jira/browse/MAPREDUCE-5042    Author: Jason Lowe, 2014-09-03, 23:57
[MAPREDUCE-5027] Shuffle does not limit number of outstanding connections - MapReduce - [issue]
...The ShuffleHandler does not have any configurable limits to the number of outstanding connections allowed.  Therefore a node with many map outputs and many reducers in the cluster tryin...
http://issues.apache.org/jira/browse/MAPREDUCE-5027    Author: Jason Lowe, 2014-09-03, 23:57
[MAPREDUCE-5419] TestSlive is getting FileNotFound Exception - MapReduce - [issue]
...The write directory "slive" is not getting created on the FS....
http://issues.apache.org/jira/browse/MAPREDUCE-5419    Author: Robert Parker, 2014-09-03, 23:53
[MAPREDUCE-4374] Fix child task environment variable config and add support for Windows - MapReduce - [issue]
...In HADOOP-2838, a new feature was introduced to set environment variables via the Hadoop config 'mapred.child.env' for child tasks. There are some further fixes and improvements around this ...
http://issues.apache.org/jira/browse/MAPREDUCE-4374    Author: Chuan Liu, 2014-09-03, 23:49
[MAPREDUCE-3008] [Gridmix] Improve cumulative CPU usage emulation for short running tasks - MapReduce - [issue]
...CPU emulation in Gridmix fails to meet the expected target if the map has no data to sort/spill/merge. There are 2 major reasons for this:1. The map task end immediately ends soon after the ...
http://issues.apache.org/jira/browse/MAPREDUCE-3008    Author: Amar Kamat, 2014-09-03, 23:48
[MAPREDUCE-4087] [Gridmix] GenerateDistCacheData job of Gridmix can become slow in some cases - MapReduce - [issue]
...In map() method of GenerateDistCacheData job of Gridmix, val.setSize() is done every time based on the bytes to be written to a distributed cache file. When we try to write data to next dist...
http://issues.apache.org/jira/browse/MAPREDUCE-4087    Author: Ravi Gummadi, 2014-09-03, 23:47
[MAPREDUCE-5359] JobHistory should not use File.separator to match timestamp in path - MapReduce - [issue]
...In HistoryFileManager.getTimestampPartFromPath() method, we use the following regular expression to match the timestamp in a Path object. "\\d{4}" + "\\" + File.separator +  "\\d{2}" + ...
http://issues.apache.org/jira/browse/MAPREDUCE-5359    Author: Chuan Liu, 2014-09-03, 23:45
[MAPREDUCE-3829] [Gridmix] Gridmix should give better error message when input-data directory already exists and -generate option is given - MapReduce - [issue]
...Instead of throwing exception messages on to the console, Gridmix should give better error message when input-data directory already exists and -generate option is given....
http://issues.apache.org/jira/browse/MAPREDUCE-3829    Author: Ravi Gummadi, 2014-09-03, 23:45
[MAPREDUCE-5355] MiniMRYarnCluster with localFs does not work on Windows - MapReduce - [issue]
...When MiniMRYarnCluster configured to run on localFs instead of remoteFs, i.e. MiniDFSCluster, the job will fail on Windows. The error message looks like the following.java.io.IOException: Jo...
http://issues.apache.org/jira/browse/MAPREDUCE-5355    Author: Chuan Liu, 2014-09-03, 23:45
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