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https://issues.apache.org/jira/browse/HADOOP-1441?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Senthil Subramanian updated HADOOP-1441:
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Status: Open (was: Patch Available)
> Splittability of input should be controllable by application
> ------------------------------------------------------------
>
> Key: HADOOP-1441
> URL: https://issues.apache.org/jira/browse/HADOOP-1441
> Project: Hadoop
> Issue Type: Improvement
> Components: mapred
> Affects Versions: 0.12.3
> Environment: ALL
> Reporter: Milind Bhandarkar
> Assignee: Milind Bhandarkar
> Fix For: 0.14.0
>
>
> Currently, isSplittable method of FileInputFormat always returns true. For
> some applications, it becomes necessary that the map task process entire
> file, rather than a block. Therefore, splittability of input (i.e.
> block-level split vs file-level-split) should be controllable by user via a
> configuration variable. The default could be block-level split, as is.
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