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From "Amareshwari Sriramadasu (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HADOOP-5698) Change org.apache.hadoop.examples.MultiFileWordCount to use new mapreduce api.
Date Wed, 29 Apr 2009 10:38:31 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-5698?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Amareshwari Sriramadasu updated HADOOP-5698:
--------------------------------------------

    Attachment: patch-5698.txt

Patch moves CombineFileInputFormat, CombineFileRecordReader, CombineFileSplit libraries and
org.apache.hadoop.examples.MultiFileWordCount to use new mapreduce api.
In existing CombineFileInputFormat, the split location passed is rack-name. But this is resulting
in IlleagalArgumentException while resolving, since it contains PATH_SEPARATOR('/') in the
name. Also passing rackname (without '/'), results in wrong resolution of the node as /default-rack/<rack-name>.
 After offline discussion with Dhruba, I changed the input format to pass hostnames instead
of racknames as a solution to this problem.

> Change org.apache.hadoop.examples.MultiFileWordCount to use new mapreduce api.
> ------------------------------------------------------------------------------
>
>                 Key: HADOOP-5698
>                 URL: https://issues.apache.org/jira/browse/HADOOP-5698
>             Project: Hadoop Core
>          Issue Type: Sub-task
>            Reporter: Amareshwari Sriramadasu
>            Assignee: Amareshwari Sriramadasu
>         Attachments: patch-5698.txt
>
>


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