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Posted to mapreduce-dev@hadoop.apache.org by "Michael Noll (JIRA)" <ji...@apache.org> on 2011/03/21 10:35:05 UTC

[jira] [Created] (MAPREDUCE-2398) MRBench: setting the baseDir parameter has no effect

MRBench: setting the baseDir parameter has no effect
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                 Key: MAPREDUCE-2398
                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-2398
             Project: Hadoop Map/Reduce
          Issue Type: Bug
          Components: benchmarks
    Affects Versions: 0.20.2
            Reporter: Michael Noll
            Priority: Minor


The optional {{-baseDir}} parameter lets user specify the base DFS path for output/input of MRBench.

However, the two private variables {{INPUT_DIR}} and {{OUTPUT_DIR}} (MRBench.java) are not updated in the case that the default value of  {{-baseDir}} is actually overwritten by the user. Hence any input and output is always written to the default locations ({{/benchmarks/MRBench/...}}), even though the user-supplied location for {{-baseDir}} is created (and eventually deleted again) on HDFS.

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