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

["Amar Kamat (Commented) (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/MAPREDUCE-2722?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13214532#comment-13214532 ] 

Amar Kamat commented on MAPREDUCE-2722:
---------------------------------------

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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