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[MAPREDUCE-4521] mapreduce.user.classpath.first incompatibility with 0.20/1.x - MapReduce - [issue]
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...In Hadoop 0.20 or 1.x, jobs can specify the user's classpath should appear first by setting the property mapreduce.user.classpath.first to true in the job configuration. However in Had...
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http://issues.apache.org/jira/browse/MAPREDUCE-4521
Author: Jason Lowe,
2012-10-17, 14:21
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[MAPREDUCE-4020] Web services returns incorrect JSON for deep queue tree - MapReduce - [issue]
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...When the capacity scheduler is configured for more than two levels of queues, the web services API returns incorrect JSON for the subQueues field of some parent queues. The "subQueues"...
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http://issues.apache.org/jira/browse/MAPREDUCE-4020
Author: Jason Lowe,
2012-10-11, 18:48
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[MAPREDUCE-4646] client does not receive job diagnostics for failed jobs - MapReduce - [issue]
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...When a job fails the client is not showing any diagnostics. For example, running a fail job results in this not-so-helpful message from the client:2012-09-07 21:12:00,649 INFO [m...
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http://issues.apache.org/jira/browse/MAPREDUCE-4646
Author: Jason Lowe,
2012-10-11, 18:48
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[MAPREDUCE-4228] mapreduce.job.reduce.slowstart.completedmaps is not working properly to delay the scheduling of the reduce tasks - MapReduce - [issue]
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...If no more map tasks need to be scheduled but not all have completed, the ApplicationMaster will start scheduling reducers even if the number of completed maps has not met the mapreduce.job....
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http://issues.apache.org/jira/browse/MAPREDUCE-4228
Author: Jason Lowe,
2012-10-11, 18:48
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[MAPREDUCE-4705] Historyserver links expire before the history data does - MapReduce - [issue]
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...The historyserver can serve up links to jobs that become useless well before the job history files are purged. For example on a large, heavily used cluster we can end up rotating throu...
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http://issues.apache.org/jira/browse/MAPREDUCE-4705
Author: Jason Lowe,
2012-10-09, 15:00
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[MAPREDUCE-4714] Historyserver retrieves job from jobID more often than necessary - MapReduce - [issue]
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...When serving up a web page for job history, AppController.requireJob() is converting from a jobID to a job twice when it only needs to do it once. The resulting job is stored into the ...
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http://issues.apache.org/jira/browse/MAPREDUCE-4714
Author: Jason Lowe,
2012-10-08, 21:18
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[MAPREDUCE-4644] mapreduce-client-jobclient-tests do not run from dist tarball - MapReduce - [issue]
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...The mapreduce jobclient tests rely on junit which is missing from the dist tarball. This prevents running often-used tests like sleep jobs....
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http://issues.apache.org/jira/browse/MAPREDUCE-4644
Author: Jason Lowe,
2012-10-01, 23:45
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[MAPREDUCE-4689] JobClient.getMapTaskReports on failed job results in NPE - MapReduce - [issue]
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...When calling JobClient.getMapTaskReports for a job that has failed results in an NPE. For example:Exception in thread "main" java.lang.NullPointerException at org.apache.hadoop.mapredu...
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http://issues.apache.org/jira/browse/MAPREDUCE-4689
Author: Jason Lowe,
2012-09-30, 02:18
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[MAPREDUCE-4691] Historyserver can report "Unknown job" after RM says job has completed - MapReduce - [issue]
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...Example traceback from the client:2012-09-27 20:28:38,068 [main] INFO org.apache.hadoop.mapred.ClientServiceDelegate - Application state is completed. FinalApplicationStatus=SUCCEEDED....
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http://issues.apache.org/jira/browse/MAPREDUCE-4691
Author: Jason Lowe,
2012-09-30, 02:15
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[MAPREDUCE-4667] Add job history server metrics - MapReduce - [issue]
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...The job history server should provide metrics, via metrics2, that allow tracking of metrics specific to the history server, such as jobs discovered/processed, requests served, etc....
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http://issues.apache.org/jira/browse/MAPREDUCE-4667
Author: Jason Lowe,
2012-09-18, 22:54
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