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https://issues.apache.org/jira/browse/MAPREDUCE-4100?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Thomas Graves updated MAPREDUCE-4100:
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Fix Version/s: (was: 0.24.0)
2.0.5-beta
3.0.0
I merged this back to branch-2
> Sometimes gridmix emulates data larger much larger then acutal counter for
> map only jobs
> ----------------------------------------------------------------------------------------
>
> Key: MAPREDUCE-4100
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-4100
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: contrib/gridmix
> Affects Versions: 1.1.0
> Reporter: Karam Singh
> Assignee: Amar Kamat
> Priority: Minor
> Fix For: 3.0.0, 2.0.5-beta
>
> Attachments: mapreduce-4100-v1.2.patch
>
>
> While running 1400+ jobs trace I encountered this issue.
> For map-only jobs, observed that some Maps generating data of around 9 GB
> (From HDFS_BYTES_WRITTEN) whereas actual value is around 5GB in trace.
> This can sometimes also cause jobs to fail intermittently.
> Other GridMix version coming be Hadoop-1.1.X and above might also effected
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