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[MAPREDUCE-4901] JobHistoryEventHandler errors should be fatal - MapReduce - [issue]
...To be able to truly fix issues like MAPREDUCE-4819 and MAPREDUCE-4832, we need a 2 phase commit where a subsequent AM can be sure that at a specific point in time it knows exactly if any tas...
http://issues.apache.org/jira/browse/MAPREDUCE-4901    Author: Robert Joseph Evans, 2014-04-16, 21:42
[MAPREDUCE-4775] Reducer will "never" commit suicide - MapReduce - [issue]
...In 1.0 there are a number of conditions that will cause a reducer to commit suicide and exit.This includes if it is stalled, if the error percentage of total fetches is too high.  In th...
http://issues.apache.org/jira/browse/MAPREDUCE-4775    Author: Robert Joseph Evans, 2014-04-16, 21:36
[MAPREDUCE-4766] in diagnostics task ids and task attempt ids should become clickable links - MapReduce - [issue]
...It would be great if when we see a task id or a task attempt id in the diagnostics that we change it to be a clickable link....
http://issues.apache.org/jira/browse/MAPREDUCE-4766    Author: Robert Joseph Evans, 2014-04-16, 21:31
[MAPREDUCE-3801] org.apache.hadoop.mapreduce.v2.app.TestRuntimeEstimators.testExponentialEstimator fails intermittently - MapReduce - [issue]
...org.apache.hadoop.mapreduce.v2.app.TestRuntimeEstimators,testExponentialEstimator fails intermittently...
http://issues.apache.org/jira/browse/MAPREDUCE-3801    Author: Robert Joseph Evans, 2013-10-02, 22:00
[MAPREDUCE-3520] Allow for metrics to be exchanged between maps and reduces - MapReduce - [issue]
...Some people on the mailing lists have requested having read access in reducers to counters that were set by mappers.  I propose that we provide a new interface for doing this.  The...
http://issues.apache.org/jira/browse/MAPREDUCE-3520    Author: Robert Joseph Evans, 2013-10-01, 14:55
[MAPREDUCE-3954] Clean up passing HEAPSIZE to yarn and mapred commands. - MapReduce - [issue]
...Currently the heap size for all of these is set in yarn-env.sh.  JAVA_HEAP_MAX is set to -Xmx1000m unless YARN_HEAPSIZE is set.  If it is set it will override JAVA_HEAP_MAX.  ...
http://issues.apache.org/jira/browse/MAPREDUCE-3954    Author: Robert Joseph Evans, 2013-08-25, 15:32
[MAPREDUCE-4493] Distibuted Cache Compatability Issues - MapReduce - [issue]
...The distributed cache does not work like it does in 1.0.mapreduce.job.cache.symlink.create is completely ignored and symlinks are always created no matter what.  Files and archives with...
http://issues.apache.org/jira/browse/MAPREDUCE-4493    Author: Robert Joseph Evans, 2013-07-19, 16:56
[MAPREDUCE-2668] MR-279: APPLICATION_STOP is never sent to AuxServices - MapReduce - [issue]
...APPLICATION_STOP is never sent to the AuxServices only APPLICATION_INIT.  This means that all map intermediate data will never be deleted....
http://issues.apache.org/jira/browse/MAPREDUCE-2668    Author: Robert Joseph Evans, 2013-06-25, 15:26
[MAPREDUCE-2723] MR-279: port MAPREDUCE-2324 to mrv2 - MapReduce - [issue]
...MRV2 currently does not take reduce disk usage into account when trying to schedule a container.  For feature parity with the original map reduce it should be extended to allow for disk...
http://issues.apache.org/jira/browse/MAPREDUCE-2723    Author: Robert Joseph Evans, 2013-05-30, 12:09
[MAPREDUCE-4576] Large dist cache can block tasktracker heartbeat - MapReduce - [issue]
http://issues.apache.org/jira/browse/MAPREDUCE-4576    Author: Robert Joseph Evans, 2013-05-15, 06:16
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