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Posted to issues@spark.apache.org by "Apache Spark (Jira)" <ji...@apache.org> on 2022/11/25 07:23:00 UTC

[jira] [Assigned] (SPARK-41261) applyInPandasWithState can produce incorrect key value in user function for timed out state

     [ https://issues.apache.org/jira/browse/SPARK-41261?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Apache Spark reassigned SPARK-41261:
------------------------------------

    Assignee: Apache Spark

> applyInPandasWithState can produce incorrect key value in user function for timed out state
> -------------------------------------------------------------------------------------------
>
>                 Key: SPARK-41261
>                 URL: https://issues.apache.org/jira/browse/SPARK-41261
>             Project: Spark
>          Issue Type: Bug
>          Components: Structured Streaming
>    Affects Versions: 3.4.0
>            Reporter: Jungtaek Lim
>            Assignee: Apache Spark
>            Priority: Major
>
> We observed the issue that user function retrieves incorrect key in user function for timed out state. After RCA we figured out this could happen when the columns of grouping keys are not placed sequentially at earliest place.



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