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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