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From "Amareshwari Sriramadasu (JIRA)" <j...@apache.org>
Subject [jira] Updated: (MAPREDUCE-2021) CombineFileInputFormat returns duplicate hostnames in split locations
Date Thu, 02 Sep 2010 07:33:54 GMT

     [ https://issues.apache.org/jira/browse/MAPREDUCE-2021?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Amareshwari Sriramadasu updated MAPREDUCE-2021:

          Status: Resolved  (was: Patch Available)
    Hadoop Flags: [Reviewed]
      Resolution: Fixed

Patch has been tested on our cluster. Assuming there are no more comments from Scott, I just
committed this.

> CombineFileInputFormat returns duplicate  hostnames in split locations
> ----------------------------------------------------------------------
>                 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
>         Attachments: patch-2021-1.txt, patch-2021-ydist.txt, patch-2021.txt
> 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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