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Re: Basic question on how reducer works - MapReduce - [mail # user]
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...Robert, On Jul 7, 2012, at 6:37 PM, Grandl Robert wrote: how many partitions to do(how many reducers will be) and how much data to go in each partition for each reduc...
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Author: Arun C Murthy,
2012-07-09, 13:24
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[MAPREDUCE-82] Revert the temporary change made to collection of Job's metrics done by HADOOP-3521 - MapReduce - [issue]
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...HADOOP-3521 is a temporary fix, it needs to be reverted....
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http://issues.apache.org/jira/browse/MAPREDUCE-82
Author: Arun C Murthy,
2012-07-07, 16:45
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[MAPREDUCE-72] Move handling of Task debugging out of TaskTracker - MapReduce - [issue]
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...Currently TaskTracker.TaskInProgress.taskFinished handles the responsibility of executing the debug scripts for Map/Reduce tasks. Ideally we should keep this confined to TaskRunner (which cu...
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http://issues.apache.org/jira/browse/MAPREDUCE-72
Author: Arun C Murthy,
2012-07-07, 16:12
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[MAPREDUCE-1600] o.a.h.mapreduce.FileOutputCommitter should qualify the output path - MapReduce - [issue]
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...Same as HADOOP-4746, but for the new api....
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http://issues.apache.org/jira/browse/MAPREDUCE-1600
Author: Arun C Murthy,
2012-07-07, 13:17
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[MAPREDUCE-4411] Add support for DistributedShell to ask for CPUs along with memory - MapReduce - [issue]
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http://issues.apache.org/jira/browse/MAPREDUCE-4411
Author: Arun C Murthy,
2012-07-07, 00:44
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[MAPREDUCE-4410] Add experimental support for MR AM to schedule CPUs along-with memory - MapReduce - [issue]
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http://issues.apache.org/jira/browse/MAPREDUCE-4410
Author: Arun C Murthy,
2012-07-07, 00:43
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[MAPREDUCE-4409] Add support for FifoScheduler to schedule CPU along with memory. - MapReduce - [issue]
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http://issues.apache.org/jira/browse/MAPREDUCE-4409
Author: Arun C Murthy,
2012-07-07, 00:42
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[MAPREDUCE-3472] Port to 0.22 - The capacity-scheduler should assign multiple tasks per heartbeat - MapReduce - [issue]
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...HADOOP-3136 changed the default o.a.h.mapred.JobQueueTaskScheduler to assign multiple tasks per TaskTracker heartbeat, MAPREDUCE-517 added this to the capacity-scheduler.We should port this ...
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http://issues.apache.org/jira/browse/MAPREDUCE-3472
Author: Arun C Murthy,
2012-07-05, 18:12
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Re: MR job runs on CDH3 but not on CDH4 - MapReduce - [mail # user]
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...It's hard for folks here to help you on CDH - please ask their own user lists. Arun On Jul 4, 2012, at 8:49 AM, Alan Miller wrote: on CDH4. Distributed Cache, getting...
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Author: Arun C Murthy,
2012-07-04, 17:21
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[MAPREDUCE-4316] Improve default config values for YARN - MapReduce - [issue]
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...Currently some of our configs are way off e.g. min-alloc is 128M while max-alloc is 10240.This leads to poor out-of-box performance as noticed by some users: http://s.apache.org/avd...
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http://issues.apache.org/jira/browse/MAPREDUCE-4316
Author: Arun C Murthy,
2012-07-01, 04:38
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