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[MAPREDUCE-4980] Parallel test execution of hadoop-mapreduce-client-core - MapReduce - [issue]
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...The maven surefire plugin supports parallel testing feature. By using it, the tests can be run more faster....
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http://issues.apache.org/jira/browse/MAPREDUCE-4980
Author: Tsuyoshi OZAWA,
2013-05-13, 05:51
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[MAPREDUCE-5227] JobTrackerMetricsSource and QueueMetrics should standardize naming rules - MapReduce - [issue]
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...JobTrackerMetricsSource and QueueMetrics provides users with some metrics, but its naming rules( "jobs_running", "running_maps", "running_reduces") sometimes confuses users. It should be sta...
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http://issues.apache.org/jira/browse/MAPREDUCE-5227
Author: Tsuyoshi OZAWA,
2013-05-09, 17:41
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[MAPREDUCE-4502] Node-level aggregation with combining the result of maps - MapReduce - [issue]
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...The shuffle costs is expensive in Hadoop in spite of the existence of combiner, because the scope of combining is limited within only one MapTask. To solve this problem, it's a good way to a...
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http://issues.apache.org/jira/browse/MAPREDUCE-4502
Author: Tsuyoshi OZAWA,
2013-04-30, 10:45
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Re: Jenkins says "-1 overall" while each items of testing are all green - MapReduce - [mail # dev]
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...I've confirmed that now it works well! Thanks, - Tsuyoshi On Sat, Feb 23, 2013 at 11:15 AM, Konstantin Boudnik wrote: - Tsuyoshi...
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Author: Tsuyoshi OZAWA,
2013-03-18, 06:13
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How to process MAPREDUCE-4502 - MapReduce - [mail # dev]
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...Hi, I've created a patch based on trunk for about MAPREDUCE-4502. Could someone review it? https://issues.apache.org/jira/browse/MAPREDUCE-4502 I have the a concern that I'...
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Author: Tsuyoshi OZAWA,
2013-03-13, 20:55
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Jenkins says "-1 overall" while each items of testing are all green - MapReduce - [mail # dev]
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...Hi, I've written a patch and passed each items of testing, but Jenkins says that the patch is "-1 overall". It seems to be odd for me. Is that a normal behaviour? https://issues....
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Author: Tsuyoshi OZAWA,
2013-02-22, 12:42
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[MAPREDUCE-4911] Add node-level aggregation flag feature(setNodeLevelAggregation(boolean)) to JobConf - MapReduce - [issue]
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...This JIRA adds node-level aggregation flag feature(setLocalAggregation(boolean)) to JobConf.This task is subtask of MAPREDUCE-4502....
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http://issues.apache.org/jira/browse/MAPREDUCE-4911
Author: Tsuyoshi OZAWA,
2013-01-21, 09:38
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[MAPREDUCE-4910] Adding AggregationWaitMap to some components(MRAppMaster, TaskAttemptListener, JobImpl, MapTaskImpl). - MapReduce - [issue]
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...To implement MR-4502, AggregationWaitMap need to be used by some components(MRAppMaster, TaskAttemptListener, JobImpl, MapTaskImpl)....
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http://issues.apache.org/jira/browse/MAPREDUCE-4910
Author: Tsuyoshi OZAWA,
2013-01-18, 05:57
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[MAPREDUCE-4865] Launching node-level combiner at the end stage of MapTask and ignoring aggregated inputs at ReduceTask - MapReduce - [issue]
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...MapTask needs to start node-level aggregation against local outputs at the end stage of MapTask after calling getAggregationTargets().This feature is implemented with Merger and CombinerRunn...
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http://issues.apache.org/jira/browse/MAPREDUCE-4865
Author: Tsuyoshi OZAWA,
2013-01-18, 05:57
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[MAPREDUCE-4864] Adding new umbilical protocol RPC, "getAggregationTargets()", for node-level combiner. - MapReduce - [issue]
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...MapTasks need to know whether or not they should start node-level combiner agaist outputs of mapper on their node. The new umbilical RPC, getAggregationTargets(), is used to get outputs to b...
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http://issues.apache.org/jira/browse/MAPREDUCE-4864
Author: Tsuyoshi OZAWA,
2013-01-18, 05:57
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