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Posted to mapreduce-dev@hadoop.apache.org by "Amareshwari Sriramadasu (JIRA)" <ji...@apache.org> on 2010/08/20 06:22:16 UTC

[jira] Created: (MAPREDUCE-2021) CombineFileInputFormat returns duplicate hostnames in split locations

CombineFileInputFormat returns duplicate  hostnames in split locations
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                 Key: MAPREDUCE-2021
                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-2021
             Project: Hadoop Map/Reduce
          Issue Type: Bug
          Components: client
    Affects Versions: 0.20.2
            Reporter: Amareshwari Sriramadasu
            Assignee: Amareshwari Sriramadasu
             Fix For: 0.22.0


CombineFileInputFormat.getSplits creates splits with duplicate locations. It adds locations of the files in the split to an ArrayList; if all the files are on same location, the location is added again and again. Instead, it should add it to a Set instead of List to avoid duplicates.

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