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[MAPREDUCE-3274] Race condition in MR App Master Preemtion can cause a dead lock - MapReduce - [issue]
...There appears to be a race condition in the MR App Master in relation to preempting reducers to let a mapper run.  In the particular case that I have been debugging a reducer was select...
http://issues.apache.org/jira/browse/MAPREDUCE-3274    Author: Robert Joseph Evans, 2011-11-15, 00:48
[MAPREDUCE-2756] JobControl can drop jobs if an error occurs - MapReduce - [issue]
...If you run a pig job with UDFs that has not been recompiled for MRV2.  There are situations where pig will fail with an error message stating that Hadoop failed and did not give a reaso...
http://issues.apache.org/jira/browse/MAPREDUCE-2756    Author: Robert Joseph Evans, 2011-11-15, 00:48
[MAPREDUCE-2673] MR-279: JobHistory Server should not refresh - MapReduce - [issue]
...The Job History Server UI is based off of the Application Master UI, which refreshes the page for jobs regularly.  The page should not refresh at all for the JobHistroy, because the job...
http://issues.apache.org/jira/browse/MAPREDUCE-2673    Author: Robert Joseph Evans, 2011-11-15, 00:48
[MAPREDUCE-3001] Map Reduce JobHistory and AppMaster UI should have ability to display task specific counters. - MapReduce - [issue]
...Map Reduce JobHistory and AppMaster UI should have ability to display task specific counters.  I think the best way to do this is to include in the Nav Block a task specific section wit...
http://issues.apache.org/jira/browse/MAPREDUCE-3001    Author: Robert Joseph Evans, 2011-11-15, 00:48
[MAPREDUCE-3036] Some of the Resource Manager memory metrics go negative. - MapReduce - [issue]
...ReservedGB seems to always be decremented when a container is released, even though the container never reserved any memory.AvailableGB also seems to be able to go negative in a few situatio...
http://issues.apache.org/jira/browse/MAPREDUCE-3036    Author: Robert Joseph Evans, 2011-11-15, 00:48
[MAPREDUCE-2676] MR-279: JobHistory Job page needs reformatted - MapReduce - [issue]
...The Job page, The Maps page and the Reduces page for the job history server needs to be reformatted.The Job Overview needs to add in the User, a link to the Job Conf, and the Job ACLsIt also...
http://issues.apache.org/jira/browse/MAPREDUCE-2676    Author: Robert Joseph Evans, 2011-11-15, 00:48
[MAPREDUCE-3050] YarnScheduler needs to expose Resource Usage Information - MapReduce - [issue]
...Before the recent refactor The nodes had information in them about how much resources they were using.  This information is not hidden inside SchedulerNode.  Similarly resource usa...
http://issues.apache.org/jira/browse/MAPREDUCE-3050    Author: Robert Joseph Evans, 2011-11-15, 00:48
[MAPREDUCE-2701] MR-279: app/Job.java needs UGI for the user that launched it - MapReduce - [issue]
..../mr-client/hadoop-mapreduce-client-app/src/main/java/org/apache/hadoop/mapreduce/v2/app/job/Job.java is missing some data that is needed by the Job History GUI.  It needs the UGI for t...
http://issues.apache.org/jira/browse/MAPREDUCE-2701    Author: Robert Joseph Evans, 2011-11-15, 00:48
[MAPREDUCE-2876] ContainerAllocationExpirer appears to use the incorrect configs - MapReduce - [issue]
...ContainerAllocationExpirer sets the expiration interval to be RMConfig.CONTAINER_LIVELINESS_MONITORING_INTERVAL but uses AMLIVELINESS_MONITORING_INTERVAL as the interval.  This is very ...
http://issues.apache.org/jira/browse/MAPREDUCE-2876    Author: Robert Joseph Evans, 2011-11-15, 00:48
[MAPREDUCE-2666] MR-279: Need to retrieve shuffle port number on ApplicationMaster restart - MapReduce - [issue]
...MAPREDUCE-2652 allows ShuffleHandler to return the port it is operating on.  In the case of an ApplicationMaster crash where it needs to be restarted that information is lost.  We ...
http://issues.apache.org/jira/browse/MAPREDUCE-2666    Author: Robert Joseph Evans, 2011-11-15, 00:48
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