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[MAPREDUCE-5294] Shuffle#MergeManager should support org.apache.hadoop.mapreduce.Reducer - MapReduce - [issue]
...Shuffle#MergeManager only accepts org.apache.hadoop.mapred.Reducer currently. Because of this, Reduce-side Combiner is not used when using the new API, and just ignored. By supporting it and...
http://issues.apache.org/jira/browse/MAPREDUCE-5294    Author: Tsuyoshi Ozawa , 2015-03-10, 04:30
[MAPREDUCE-5292] ShuffleConsumerPlugin.Context should support org.apache.hadoop.mapreduce.Reducer - MapReduce - [issue]
...ShuffleConsumerPlugin.Context only supports org.apache.hadoop.mapred.Reducer currently. Because of this, Reduce side Combiner is not used when using the new API, and just ignored. Please see...
http://issues.apache.org/jira/browse/MAPREDUCE-5292    Author: Tsuyoshi Ozawa , 2015-03-10, 04:30
[MAPREDUCE-5293] Shuffle#MergeManager should support org.apache.hadoop.mapreduce.Reducer - MapReduce - [issue]
...Shuffle#MergeManager only accepts org.apache.hadoop.mapred.Reducer currently. Because of this, Reduce-side Combiner is not used when using the new API, and just ignored. By supporting it and...
http://issues.apache.org/jira/browse/MAPREDUCE-5293    Author: Tsuyoshi Ozawa , 2015-03-10, 04:30
2.7 status - MapReduce - [mail # dev]
...Allen and Steve,Should we mark HADOOP-11602 as a blocker issue?Thanks,- TsuyoshiOn Mon, Mar 2, 2015 at 4:58 AM, Arun Murthy  wrote:> Sounds good, thanks for the help Vinod!>> A...
   Author: Tsuyoshi Ozawa , 2015-03-01, 20:02
[expand - 1 more] - TimSort bug and its workaround - MapReduce - [mail # dev]
...Maybe we should discuss whether the elements of array can be largerthan 67108864 in our use cases - e.g. FairScheduler usesCollection.sort(), but the number of job isn't larger than 67108864...
   Author: Tsuyoshi Ozawa , 2015-02-26, 08:16
[expand - 1 more] - wordcount program error! - MapReduce - [mail # dev]
...Please remove the output directory you specified:hdfs dfs -rm -r wordcountoutThanks,- TsuyoshiOn Thu, Dec 11, 2014 at 7:25 AM, Nada Saif  wrote:- Tsuyoshi...
   Author: Tsuyoshi OZAWA , 2014-12-10, 23:01
[MAPREDUCE-6070] yarn.app.am.resource.mb/cpu-vcores affects uber mode but is not documented - MapReduce - [issue]
...We should document the condition when uber mode is enabled. Currently, users need to read following code to understand the condition.    boolean smallMemory =      &...
http://issues.apache.org/jira/browse/MAPREDUCE-6070    Author: Tsuyoshi Ozawa , 2014-12-01, 03:09
[MAPREDUCE-6071] JobImpl#makeUberDecision doesn't log that Uber mode is disabled because of too much CPUs - MapReduce - [issue]
...JobImpl#makeUberDecision usually logs why the Job cannot be launched as Uber mode(e.g. "too much RAM;" or something).  About CPUs, it's not logged currently. We should log it when "too ...
http://issues.apache.org/jira/browse/MAPREDUCE-6071    Author: Tsuyoshi Ozawa , 2014-12-01, 03:08
[MAPREDUCE-6073] Description of mapreduce.job.speculative.slowtaskthreshold in mapred-default should be moved into description tags - MapReduce - [issue]
...Currently, description of mapreduce.job.speculative.slowtaskthreshold in mapred-default is put outside of description tags. We should move it into description tags.<property>  <...
http://issues.apache.org/jira/browse/MAPREDUCE-6073    Author: Tsuyoshi Ozawa , 2014-12-01, 03:07
[expand - 3 more] - [VOTE] Release Apache Hadoop 2.6.0 - MapReduce - [mail # dev]
...+1 if once discussion about HDFS-6833 is done(non-binding).* Verified checksum.* Deployed cluster and ran some mr examples.* Checked RM restart while running jobs.>  I think you have...
   Author: Tsuyoshi OZAWA , 2014-11-18, 22:42