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[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
[MAPREDUCE-3757] Rumen Folder is not adjusting the shuffleFinished and sortFinished times of reduce task attempts - MapReduce - [issue]
...Rumen Folder is not adjusting the shuffleFinished and sortFinished times of reduce task attempts when it is adjusting the attempt-start-time and attempt-finish-time. This is leading to wrong...
http://issues.apache.org/jira/browse/MAPREDUCE-3757    Author: Ravi Gummadi, 2014-09-03, 23:45
[MAPREDUCE-4356] Provide access to ParsedTask.obtainTaskAttempts() - MapReduce - [issue]
...Change the access modifier of obtainTaskAttempts() in ParsedTask.java from default to public sothat it is accessible for everyone....
http://issues.apache.org/jira/browse/MAPREDUCE-4356    Author: Ravi Gummadi, 2014-09-03, 23:45
[MAPREDUCE-3502] Review all Service.stop() operations and make sure that they work before a service is started - MapReduce - [issue]
...MAPREDUCE-3431 has shown that some of the key services's shutdown operations are not robust against being invoked before the service is started. They need to be by not calling other things i...
http://issues.apache.org/jira/browse/MAPREDUCE-3502    Author: Steve Loughran, 2014-09-03, 23:45
[MAPREDUCE-3787] [Gridmix] Improve STRESS mode - MapReduce - [issue]
...Gridmix STRESS mode can be improved as follows:1. The sleep time in JobMonitor can be reduced and/or made configurable2. Map and reduce load calculation in StressJobFactory can be done in on...
http://issues.apache.org/jira/browse/MAPREDUCE-3787    Author: Amar Kamat, 2014-09-03, 23:45
[MAPREDUCE-3953] Gridmix throws NPE and does not simulate a job if the trace contains null taskStatus for a task - MapReduce - [issue]
...In a trace file, if a succeeded job contains a failed task, then that task's taskStatus will be null. This is causing NPE in Gridmix and then Gridmix is ignoring/not-considering such jobs fo...
http://issues.apache.org/jira/browse/MAPREDUCE-3953    Author: Ravi Gummadi, 2014-09-03, 23:45
[MAPREDUCE-4100] Sometimes gridmix emulates data larger much larger then acutal counter for map only jobs - MapReduce - [issue]
...While running 1400+ jobs trace I encountered this issue.For map-only jobs, observed that some Maps generating data of around 9 GB (From HDFS_BYTES_WRITTEN) whereas actual value is around 5GB...
http://issues.apache.org/jira/browse/MAPREDUCE-4100    Author: Karam Singh, 2014-09-03, 23:45
[MAPREDUCE-2722] Gridmix simulated job's map's hdfsBytesRead counter is wrong when compressed input is used - MapReduce - [issue]
...When compressed input was used by original job's map task, then the simulated job's map task's hdfsBytesRead counter is wrong if compression emulation is enabled. This issue is because hdfsB...
http://issues.apache.org/jira/browse/MAPREDUCE-2722    Author: Ravi Gummadi, 2014-09-03, 23:45
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