[
https://issues.apache.org/jira/browse/SPARK-48184?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Dongjoon Hyun closed SPARK-48184.
---------------------------------
> 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: 3.5.1, 3.4.3, 4.0.0
> 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}
>
>
--
This message was sent by Atlassian Jira
(v8.20.10#820010)
---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]