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https://issues.apache.org/jira/browse/MAPREDUCE-4651?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Konstantin Shvachko updated MAPREDUCE-4651:
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Attachment: randomDFSIO.patch
Fixed wonky space in AppendMapper.getIOStream()
> Benchmarking random reads with DFSIO
> ------------------------------------
>
> Key: MAPREDUCE-4651
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-4651
> Project: Hadoop Map/Reduce
> Issue Type: New Feature
> Components: benchmarks, test
> Affects Versions: 1.0.0
> Reporter: Konstantin Shvachko
> Assignee: Konstantin Shvachko
> Attachments: randomDFSIO.patch, randomDFSIO.patch, randomDFSIO.patch
>
>
> TestDFSIO measures throughput of HDFS write, read, and append operations. It
> will be useful to have an option to use it for benchmarking random reads.
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