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https://issues.apache.org/jira/browse/HBASE-9780?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13796969#comment-13796969
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Nick Dimiduk commented on HBASE-9780:
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I agree with your observation and with JM's assent.
As an alternative, it might be useful to support a {{--dataSize}}, allowing the
user to specify the total amount of data to be written/read. The harness could
then calculate how to split that across clients.
> Total row num to write in PerformanceEvaluation vary on thread number
> ---------------------------------------------------------------------
>
> Key: HBASE-9780
> URL: https://issues.apache.org/jira/browse/HBASE-9780
> Project: HBase
> Issue Type: Improvement
> Reporter: Liu Shaohui
> Assignee: Liu Shaohui
> Priority: Minor
>
> Total row num to write in PerformanceEvaluation vary on thread number
> {code}
> // Set total number of rows to write.
> this.R = this.R * N;
> {code}
> Different row num may result in different random read perf. More threads,
> More rows, may less block cache hit raito.
> Should we make the total row num be immutable for different thread numer?
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