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From "Stephen Green (JIRA)" <j...@apache.org>
Subject [jira] Created: (MAHOUT-118) Mahout needs to respect the file system type when getting a FileSystem for an input or output path
Date Thu, 16 Apr 2009 20:24:14 GMT
Mahout needs to respect the file system type when getting a FileSystem for an input or output
path
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                 Key: MAHOUT-118
                 URL: https://issues.apache.org/jira/browse/MAHOUT-118
             Project: Mahout
          Issue Type: Bug
          Components: Classification, Clustering, Collaborative Filtering, Genetic Algorithms,
Matrix
    Affects Versions: 0.1, 0.2
         Environment: Mac OS X 10.5 and Amazon's Elastic MapReduce
            Reporter: Stephen Green
             Fix For: 0.1, 0.2


All of the uses of org.apache.hadoop.fs.FileSystem.get use the single argument version that
takes a job configuration.  This will always return the default file system type (which is
usually HDFS), rather than using the file system type used in the URIs for the input or output
paths.  This is particularly a problem on Amazon's Elastic MapReduce where the input and output
data typically reside in a org.apache.hadoop.fs.s3native.NativeS3FileSystem.

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