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From "Doug Cutting (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HADOOP-1442) Zero-byte input files are not included in InputSplit
Date Mon, 18 Jun 2007 22:27:26 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-1442?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Doug Cutting updated HADOOP-1442:
---------------------------------

    Resolution: Fixed
      Assignee: Senthil Subramanian  (was: Milind Bhandarkar)
        Status: Resolved  (was: Patch Available)

I just committed this.  Thanks, Senthil!

> Zero-byte input files are not included in InputSplit
> ----------------------------------------------------
>
>                 Key: HADOOP-1442
>                 URL: https://issues.apache.org/jira/browse/HADOOP-1442
>             Project: Hadoop
>          Issue Type: Bug
>          Components: mapred
>    Affects Versions: 0.12.3
>         Environment: ALL
>            Reporter: Milind Bhandarkar
>            Assignee: Senthil Subramanian
>             Fix For: 0.14.0
>
>         Attachments: HADOOP-1442_1.patch
>
>
> The default FileInputFormat::getSplits method does not include zero-byte input files
in FileSplit[]. Applications that assume the minimum number of maps to be at least number
of input files can get bitten by this, as well as  applications that use -reducer NONE to
produce number of partitions that are equal to input partitions.

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