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[MAPREDUCE-2264] Job status exceeds 100% in some cases - MapReduce - [issue]
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...I'm looking now at my jobtracker's list of running reduce tasks. One of them is 120.05% complete, the other is 107.28% complete.I understand that these numbers are estimates, but there is no...
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http://issues.apache.org/jira/browse/MAPREDUCE-2264
Author: Adam Kramer,
2013-02-26, 23:25
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[MAPREDUCE-3244] Make nodes fail/succeed based on return codes (regardless of pending data) - MapReduce - [issue]
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...If I were to run a MR job with a script like 'head -n10' for some reason, each node would execute head -n10 (good), and output 10 rows (good) and then the 'head' program would return success...
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http://issues.apache.org/jira/browse/MAPREDUCE-3244
Author: Adam Kramer,
2011-10-22, 00:58
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[MAPREDUCE-2857] When reducers are complete, trailing mappers delay job completion - MapReduce - [issue]
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...Sometimes, mappers restart themselves for some reason (there are several reasons, for example, because it has lost access to the data it generated which a reducer may later need.). However, ...
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http://issues.apache.org/jira/browse/MAPREDUCE-2857
Author: Adam Kramer,
2011-08-18, 18:38
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[MAPREDUCE-2731] Jobtracker should report 99% until the query is done. - MapReduce - [issue]
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...Hadoop reporting 100% complete is a lie whenever the job, task, or node is not FULLY complete. Reports of 100% due to rounding should get explicitly stuck at 99.99% until the job is complete...
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http://issues.apache.org/jira/browse/MAPREDUCE-2731
Author: Adam Kramer,
2011-07-27, 00:03
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[MAPREDUCE-2210] Preemption does not obey job priority - MapReduce - [issue]
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...Preemption, as it currently works, kills running tasks that are "unfair" in terms of the amount of task attention used by one job compared to another.The bug is that pre-emption occurs such ...
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http://issues.apache.org/jira/browse/MAPREDUCE-2210
Author: Adam Kramer,
2011-02-07, 23:23
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[MAPREDUCE-1924] Mappers running when reducers have finished - MapReduce - [issue]
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...Occasionally, I will run jobs for which some reducers are able to finish but there are still mappers running. I understand why sometimes mappers restart themselves even after the reduce phas...
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http://issues.apache.org/jira/browse/MAPREDUCE-1924
Author: Adam Kramer,
2010-08-13, 23:19
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[MAPREDUCE-1750] Make #rows avail. to reducers as environment variable - MapReduce - [issue]
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...Given that there is a sort phase between the copy phase and the reduce phase, it seems like there is a chance for counting during sort.It would be nice if my reducers could have access to an...
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http://issues.apache.org/jira/browse/MAPREDUCE-1750
Author: Adam Kramer,
2010-05-03, 06:45
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