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https://issues.apache.org/jira/browse/SPARK-48184?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Dongjoon Hyun resolved SPARK-48184.
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Fix Version/s: 3.5.2
4.0.0
Resolution: Fixed
Issue resolved by pull request 46456
[https://github.com/apache/spark/pull/46456]
> Always set the seed of dataframe.sample in Client side
> ------------------------------------------------------
>
> Key: SPARK-48184
> URL: https://issues.apache.org/jira/browse/SPARK-48184
> Project: Spark
> Issue Type: Bug
> Components: Connect, PySpark
> Affects Versions: 4.0.0, 3.5.1, 3.4.3
> Reporter: Ruifeng Zheng
> Assignee: Ruifeng Zheng
> Priority: Major
> Labels: pull-request-available
> Fix For: 3.5.2, 4.0.0
>
>
> the output dataframe of `sample` is not immutable in Spark Connect
>
> In Spark Classic:
> {code:java}
> In [1]: df = spark.range(10000).sample(0.1)
> In [2]: [df.count() for i in range(10)]
> Out[2]: [1006, 1006, 1006, 1006, 1006, 1006, 1006, 1006, 1006, 1006]{code}
>
> In Spark Connect:
> {code:java}
> In [1]: df = spark.range(10000).sample(0.1)
> In [2]: [df.count() for i in range(10)]
> Out[2]: [969, 1005, 958, 996, 987, 1026, 991, 1020, 1012, 979]
> {code}
>
>
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