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https://issues.apache.org/jira/browse/MAPREDUCE-5670?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13901336#comment-13901336
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Hudson commented on MAPREDUCE-5670:
-----------------------------------
SUCCESS: Integrated in Hadoop-Yarn-trunk #481 (See
[https://builds.apache.org/job/Hadoop-Yarn-trunk/481/])
MAPREDUCE-5670. CombineFileRecordReader should report progress when moving to
the next file. Contributed by Chen He (jlowe:
http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1568118)
* /hadoop/common/trunk/hadoop-mapreduce-project/CHANGES.txt
*
/hadoop/common/trunk/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapred/lib/CombineFileRecordReader.java
*
/hadoop/common/trunk/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapreduce/lib/input/CombineFileRecordReader.java
*
/hadoop/common/trunk/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/test/java/org/apache/hadoop/mapred/lib/TestCombineFileRecordReader.java
*
/hadoop/common/trunk/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/test/java/org/apache/hadoop/mapreduce/lib/input/TestCombineFileRecordReader.java
> CombineFileRecordReader should report progress when moving to the next file
> ---------------------------------------------------------------------------
>
> Key: MAPREDUCE-5670
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-5670
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: mrv2
> Affects Versions: 0.23.9
> Reporter: Jason Lowe
> Assignee: Chen He
> Priority: Minor
> Fix For: 2.4.0
>
> Attachments: MR-5670v3.patch
>
>
> If a combine split consists of many "empty" files (i.e.: no record found by
> the underlying record reader) then theoretically a task can timeout due to
> lack of reported progress.
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