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From "Amareshwari Sriramadasu (JIRA)" <j...@apache.org>
Subject [jira] Updated: (MAPREDUCE-2021) CombineFileInputFormat returns duplicate hostnames in split locations
Date Mon, 23 Aug 2010 08:04:16 GMT

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

Amareshwari Sriramadasu updated MAPREDUCE-2021:

    Attachment: patch-2021-ydist.txt

Patch for Yahoo! distribution. The patch is on top of HADOOP-5759.

> 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-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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