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https://issues.apache.org/jira/browse/SPARK-2145?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Doris Xin resolved SPARK-2145.
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Resolution: Fixed
Resolved with PR https://github.com/apache/spark/pull/1025
> Add lower bound on sampling rate to guarantee sampling performance
> ------------------------------------------------------------------
>
> Key: SPARK-2145
> URL: https://issues.apache.org/jira/browse/SPARK-2145
> Project: Spark
> Issue Type: Improvement
> Reporter: Doris Xin
> Assignee: Doris Xin
> Priority: Minor
>
> For extremely small sampling rates p < 10^-10, we want to prevent resampling
> caused by the RNG not returning completely random numbers.
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