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Posted to mapreduce-dev@hadoop.apache.org by "Ravi Gummadi (JIRA)" <ji...@apache.org> on 2011/07/22 13:26:57 UTC

[jira] [Created] (MAPREDUCE-2722) Gridmix simulated job's map's hdfsBytesRead counter is wrong when compressed input is used

Gridmix simulated job's map's hdfsBytesRead counter is wrong when compressed input is used
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                 Key: MAPREDUCE-2722
                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-2722
             Project: Hadoop Map/Reduce
          Issue Type: Bug
          Components: contrib/gridmix
            Reporter: Ravi Gummadi
            Assignee: Ravi Gummadi


When compressed input was used by original job's map task, then the simulated job's map task's hdfsBytesRead counter is wrong if compression emulation is enabled. This issue is because hdfsBytesRead of map task of original job is considered as uncompressed map input size by Gridmix.

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