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Date: Mon, 5 Aug 2013 08:32:47 +0000 (UTC)
From: "Maysam Yabandeh (JIRA)" <jira@apache.org>
To: mapreduce-issues@hadoop.apache.org
Message-ID: <JIRA.12661836.1375691293288.95.1375691567603@arcas>
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Subject: [jira] [Updated] (MAPREDUCE-5448) MapFileOutputFormat#getReaders
 bug with invisible files/folders
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     [ https://issues.apache.org/jira/browse/MAPREDUCE-5448?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Maysam Yabandeh updated MAPREDUCE-5448:
---------------------------------------

    Attachment: MAPREDUCE-5448.patch

The attached path adds a filter to skip the files that start with "." or "_". It also updates the related unit test to show the problem.
                
> MapFileOutputFormat#getReaders bug with invisible files/folders
> ---------------------------------------------------------------
>
>                 Key: MAPREDUCE-5448
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-5448
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>            Reporter: Maysam Yabandeh
>            Assignee: Maysam Yabandeh
>            Priority: Minor
>         Attachments: MAPREDUCE-5448.patch
>
>   Original Estimate: 1h
>  Remaining Estimate: 1h
>
> MapReduce jobs also produce some invisible files such as _SUCCESS, even when the output format is MapFileOutputFormat. MapFileOutputFormat#getReaders however reads the entire content of the job output, assming that they are MapFiles.
> {code}
> Path[] names = FileUtil.stat2Paths(fs.listStatus(dir));
> {code}
> It should use a filter to skip the files that start with "." or "_".

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