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[MAPREDUCE-3264] mapreduce.job.user.name needs to be set automatically - MapReduce - [issue]
...Currently in MR2 I have to manually specify mapreduce.job.user.name for each job. It's not picking it up from the security infrastructure, at least when running with DefaultContainerExecutor...
http://issues.apache.org/jira/browse/MAPREDUCE-3264    Author: Todd Lipcon, 2011-11-15, 00:49
[MAPREDUCE-2367] Allow using a file to exclude certain tests from build - MapReduce - [issue]
...It would be nice to be able to exclude certain tests when running builds. For example, when a test is "known flaky", you may want to exclude it from the main Hudson job, but not actually dis...
http://issues.apache.org/jira/browse/MAPREDUCE-2367    Author: Todd Lipcon, 2011-11-15, 00:49
[MAPREDUCE-2379] Distributed cache sizing configurations are missing from mapred-default.xml - MapReduce - [issue]
...MAPREDUCE-1538 added mapreduce.tasktracker.cache.local.numberdirectories which is not documented in mapred-default.xml When MAPREDUCE-711 moved DistributedCache into the mapred project, the ...
http://issues.apache.org/jira/browse/MAPREDUCE-2379    Author: Todd Lipcon, 2011-11-15, 00:49
[MAPREDUCE-2323] Add metrics to the fair scheduler - MapReduce - [issue]
...It would be useful to be able to monitor various metrics in the fair scheduler, like demand, fair share, min share, and running task count....
http://issues.apache.org/jira/browse/MAPREDUCE-2323    Author: Todd Lipcon, 2011-11-15, 00:48
[MAPREDUCE-3190] bin/yarn should barf early if HADOOP_COMMON_HOME or HADOOP_HDFS_HOME are not set - MapReduce - [issue]
...Currently, if these env vars are not set when you run bin/yarn, it will crash with various ClassNotFoundExceptions, having added /share/hadoop/hdfs to the classpath. Rather, we should check ...
http://issues.apache.org/jira/browse/MAPREDUCE-3190    Author: Todd Lipcon, 2011-11-15, 00:48
[MAPREDUCE-3161] Improve javadoc and fix some typos in MR2 code - MapReduce - [issue]
...Just some simple cleanup, documentation, typos in variable names, etc. The only code change is to refactor ResourceLocalizationService so each event type is handled in its own method instead...
http://issues.apache.org/jira/browse/MAPREDUCE-3161    Author: Todd Lipcon, 2011-11-15, 00:48
[MAPREDUCE-3188] Lots of errors in logs when daemon startup fails - MapReduce - [issue]
...Since the MR2 daemons are made up of lots of component services, if one of those components fails to start, it will cause the others to shut down as well, even if they haven't fully finished...
http://issues.apache.org/jira/browse/MAPREDUCE-3188    Author: Todd Lipcon, 2011-11-15, 00:48
[MAPREDUCE-3189] Add link decoration back to MR2's CSS - MapReduce - [issue]
...I found the MRv2 web UI very difficult to use because it's not clear which items are links and which aren't. I'd like to change the CSS so that links are underlined, making it easier to see ...
http://issues.apache.org/jira/browse/MAPREDUCE-3189    Author: Todd Lipcon, 2011-11-15, 00:48
[MAPREDUCE-3252] MR2: Map tasks rewrite data once even if output fits in sort buffer - MapReduce - [issue]
...I found that, even if the output of a map task fits entirely in its sort buffer, it was rewriting the output entirely rather than just renaming the first spill into place. This is due to Raw...
http://issues.apache.org/jira/browse/MAPREDUCE-3252    Author: Todd Lipcon, 2011-11-15, 00:48
[MAPREDUCE-3187] Add names for various unnamed threads in MR2 - MapReduce - [issue]
...Simple patch to add thread names for all the places we use Executors, etc....
http://issues.apache.org/jira/browse/MAPREDUCE-3187    Author: Todd Lipcon, 2011-11-15, 00:48
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