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[MAPREDUCE-5150] Backport 2009 terasort (MAPREDUCE-639) to branch-1 - MapReduce - [issue]
...Users evaluate performance of Hadoop clusters using different benchmarks such as TeraSort. However, terasort version in branch-1 is outdated. It works on teragen dataset that cannot exceed 4...
http://issues.apache.org/jira/browse/MAPREDUCE-5150    Author: Gera Shegalov, 2013-04-14, 00:44
[MAPREDUCE-4879] TeraOutputFormat may overwrite an existing output directory - MapReduce - [issue]
...Unlike FileOutputFormat, TeraOutputFormat does not prevent TeraGen/Sort jobs from writing into an existing directory, and potentially overwriting previous runs....
http://issues.apache.org/jira/browse/MAPREDUCE-4879    Author: Gera Shegalov, 2013-04-08, 05:25
[MAPREDUCE-4986] Document the locality effect of preemption timeouts in FairScheduler when mapred.fairscheduler.preemption is off - MapReduce - [issue]
...fair_scheduler.xml does not mention the delay scheduling algorithm. Furthermore, it does not explain that in getAllowedLocalityLevel the preemption timeouts are used to disable the locality ...
http://issues.apache.org/jira/browse/MAPREDUCE-4986    Author: Gera Shegalov, 2013-02-07, 00:30
[MAPREDUCE-4844] Counters.java doesn't obey Java Memory Model - MapReduce - [issue]
...Counters have a number of immutable fields that have not been declared 'final'.For example, the field groups is not final. It is, however, accessed in a couple of methods that are declared '...
http://issues.apache.org/jira/browse/MAPREDUCE-4844    Author: Gera Shegalov, 2012-12-04, 23:24
[MAPREDUCE-4834] LinuxTaskController DELETE_AS_USER should try to delete as many paths as possible - MapReduce - [issue]
...When task-controller.c:delete_path iterates inodes in a directory tree, it may encounter a deletion failure. However, other directories/files may well be deletable, and the tree walk should ...
http://issues.apache.org/jira/browse/MAPREDUCE-4834    Author: Gera Shegalov, 2012-11-29, 22:52
[MAPREDUCE-4195] With invalid queueName request param, jobqueue_details.jsp shows NPE - MapReduce - [issue]
...When you access /jobqueue_details.jsp manually, instead of via a link, it has queueName set to null internally and this goes for a lookup into the scheduling info maps as well.As a result, i...
http://issues.apache.org/jira/browse/MAPREDUCE-4195    Author: Gera Shegalov, 2012-09-12, 03:30
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