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https://issues.apache.org/jira/browse/MAPREDUCE-6751?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15423277#comment-15423277
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Hudson commented on MAPREDUCE-6751:
-----------------------------------
SUCCESS: Integrated in Jenkins build Hadoop-trunk-Commit #10285 (See
[https://builds.apache.org/job/Hadoop-trunk-Commit/10285/])
MAPREDUCE-6751. Add debug log message when splitting is not possible due
(rchiang: rev 6c154abd33279475315b5f7f78dc47f1b0aa7028)
* (edit)
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapred/FileInputFormat.java
* (edit)
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapreduce/lib/input/FileInputFormat.java
* (edit)
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapreduce/lib/input/CombineFileInputFormat.java
> Add debug log message when splitting is not possible due to unsplittable
> compression
> ------------------------------------------------------------------------------------
>
> Key: MAPREDUCE-6751
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-6751
> Project: Hadoop Map/Reduce
> Issue Type: Improvement
> Components: client, mrv1, mrv2
> Affects Versions: 3.0.0-alpha1
> Reporter: Peter Vary
> Assignee: Peter Vary
> Priority: Minor
> Labels: supportability
> Fix For: 2.9.0
>
> Attachments: MAPREDUCE-6751.2.patch, MAPREDUCE-6751.patch
>
>
> There should be a message logged in case of the mapreduce will only spam one
> mapper since the source file is compressed with an unsplitable algorithm
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