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Posted to mapreduce-issues@hadoop.apache.org by "Sandy Ryza (JIRA)" <ji...@apache.org> on 2013/03/06 04:54:12 UTC

[jira] [Created] (MAPREDUCE-5049) CombineFileInputFormat counts all compressed files non-splitable

Sandy Ryza created MAPREDUCE-5049:
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             Summary: CombineFileInputFormat counts all compressed files non-splitable
                 Key: MAPREDUCE-5049
                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-5049
             Project: Hadoop Map/Reduce
          Issue Type: Bug
    Affects Versions: 1.1.1
            Reporter: Sandy Ryza
            Assignee: Sandy Ryza


In branch-1, CombineFileInputFormat doesn't take SplittableCompressionCodec into account and thinks that all compressible input files aren't splittable.  This is a regression from when handling for non-splitable compression codecs was originally added in MAPREDUCE-1597, and seems to have somehow gotten in when the code was pulled from 0.22 to branch-1.


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