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https://issues.apache.org/jira/browse/HBASE-2127?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Kannan Muthukkaruppan updated HBASE-2127:
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Attachment: 2127.0.20.patch
> randomWrite mode of PerformanceEvaluation benchmark program writes only to a
> small range of keys
> ------------------------------------------------------------------------------------------------
>
> Key: HBASE-2127
> URL: https://issues.apache.org/jira/browse/HBASE-2127
> Project: Hadoop HBase
> Issue Type: Bug
> Components: test
> Affects Versions: 0.20.2
> Environment: not relevant
> Reporter: Kannan Muthukkaruppan
> Priority: Minor
> Attachments: 2127.0.20.patch
>
>
> "randomWrite" mode of PerformanceEvaluation (PE), with nclients > 1, does
> random writes only within a small range rather than across all rows.
> e.g, for:
> ./bin/hbase org.apache.hadoop.hbase.PerformanceEvaluation --nomapred
> --rows=1000 randomWrite 10
> [Note: As per convention in all modes of PE, --rows is the number of rows per
> client]
> So for the above, with # of clients set to 10, currently all clients generate
> writes to keys in the 0..999 range instead of the 0..9999 range.
> [Fix appears to be simple. Will provide a patch.]
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