Vinod Kumar Vavilapalli
Arun C Murthy
Robert Joseph Evans
Pedro Sá da Costa
Brahma Reddy Battula
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[MAPREDUCE-5257] TestContainerLauncherImpl fails
...TestContainerLauncherImpl is hanging and eventually being killed by the surefire timeout which fails a maven test build....
, 2013-05-20, 14:21
[MAPREDUCE-4927] Historyserver 500 error due to NPE when accessing specific counters page for failed job
...Went to the historyserver page for a job that failed and examined the counters page. When I clicked on a specific counter, the historyserver returned a 500 error. The historyserv...
, 2013-05-18, 14:36
[MAPREDUCE-5168] Reducer can OOM during shuffle because on-disk output stream not released
...If a reducer needs to shuffle a map output to disk, it opens an output stream and writes the data to disk. However it does not release the reference to the output stream within the Map...
, 2013-05-14, 18:04
2.0.4 beta vs 2.0.3
- [mail # dev]
...This may be related to MAPREDUCE-5168 . There's a memory leak of sorts in the shuffle if many map outputs end up being merged from disk. Jason On 05/04/2013 06:...
, 2013-05-06, 15:09
[MAPREDUCE-5144] TestAMWebApp.testConfView has poor test coverage
...testConfView is supposed to test the rendering of a job's configuration page, but the rendering code exits early with, "Sorry, can't do anything without a JobID." Therefore it's not re...
, 2013-04-11, 16:32
[MAPREDUCE-5090] TotalOrderPartitioner does not recognize total.order.partitioner.* settings
...There is a backwards-compatibility issue where TotalOrderPartitioner no longer recognizes the Hadoop 1.x properties such as total.order.partitioner.natural.order, total.order.partitioner.max...
, 2013-03-21, 22:19
[MAPREDUCE-4993] AM thinks it was killed when an error occurs setting up a task container launch context
...If an IOException occurs while setting up a container launch context for a task then the AM exits with a KILLED status and no diagnostics. The job should be marked as FAILED (or maybe ...
, 2013-03-07, 15:30
[MAPREDUCE-5037] JobControl logging when a job completes
...JobControl emits logs, via the logging in Job.submit(), whenever a job is launched. It would be nice if it also logged when active jobs it is tracking complete and their final status (...
, 2013-02-28, 17:07
[MAPREDUCE-5000] TaskImpl.getCounters() can return the counters for the wrong task attempt when task is speculating
...When a task is speculating and one attempt completes then sometimes the counters for the wrong attempt are aggregated into the total counters for the job. The scenario looks like this:...
, 2013-02-14, 14:05
[MAPREDUCE-4982] AM hung with one pending map task
...Saw a job that hung with one pending map task that never ran. The task was in the SCHEDULED state with a single attempt that was in the UNASSIGNED state. The AM looked like it wa...
, 2013-02-13, 02:00
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