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Posted to mapreduce-issues@hadoop.apache.org by "Ravi Gummadi (JIRA)" <ji...@apache.org> on 2012/07/10 11:44:34 UTC

[jira] [Created] (MAPREDUCE-4418) Gridmix should emulate hdfs_bytes_read when compression emulation is ON

Ravi Gummadi created MAPREDUCE-4418:
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             Summary: Gridmix should emulate hdfs_bytes_read when compression emulation is ON
                 Key: MAPREDUCE-4418
                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4418
             Project: Hadoop Map/Reduce
          Issue Type: Bug
          Components: contrib/gridmix
            Reporter: Ravi Gummadi


When compression emulation is ON and if map-input-compression-ratio is 0.5, then Gridmix is emulating mapInputBytes and the value of hdfs_bytes_read is becoming half of original task. This needs to be fixed.

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