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https://issues.apache.org/jira/browse/MAPREDUCE-6793?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15684094#comment-15684094
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Hudson commented on MAPREDUCE-6793:
-----------------------------------
SUCCESS: Integrated in Jenkins build Hadoop-trunk-Commit #10869 (See
[https://builds.apache.org/job/Hadoop-trunk-Commit/10869/])
MAPREDUCE-6793. io.sort.factor code default and mapred-default.xml
(rohithsharmaks: rev 683e0c71fe09600a24bdd7b707a613fe70ff1f6e)
* (edit)
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapreduce/task/reduce/MergeManagerImpl.java
* (edit)
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapreduce/MRJobConfig.java
* (edit)
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapred/MapTask.java
* (edit)
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/test/java/org/apache/hadoop/mapreduce/task/reduce/TestMergeManager.java
> io.sort.factor code default and mapred-default.xml values inconsistent
> ----------------------------------------------------------------------
>
> Key: MAPREDUCE-6793
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-6793
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: task
> Affects Versions: 2.6.5, 3.0.0-alpha1
> Reporter: Gera Shegalov
> Assignee: Prabhu Joseph
> Priority: Trivial
> Labels: noob
> Fix For: 2.9.0, 3.0.0-alpha2
>
> Attachments: 0001-MAPREDUCE-6793.patch, 0002-MAPREDUCE-6793.patch,
> MAPREDUCE-6793.003.patch
>
>
> The actual default value in mapred-default.xml:
> {code}
> <property>
> <name>mapreduce.task.io.sort.factor</name>
> <value>10</value>
> <description>The number of streams to merge at once while sorting
> files. This determines the number of open file handles.</description>
> </property>
> {code}
> However, MapTask and MergeManagerImpl, are coded with:
> {code}
> int mergeFactor = job.getInt(JobContext.IO_SORT_FACTOR, 100);
> {code}
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