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https://issues.apache.org/jira/browse/MAPREDUCE-2722?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13214532#comment-13214532
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Amar Kamat commented on MAPREDUCE-2722:
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Changes look good to me. +1. Is it possible to add a JUnit?
> Gridmix simulated job's map's hdfsBytesRead counter is wrong when compressed
> input is used
> ------------------------------------------------------------------------------------------
>
> 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
> Attachments: MR2722.patch
>
>
> 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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