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https://issues.apache.org/jira/browse/SPARK-38166?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Willi Raschkowski updated SPARK-38166:
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Attachment: driver.log
> Duplicates after task failure in dropDuplicates and repartition
> ---------------------------------------------------------------
>
> Key: SPARK-38166
> URL: https://issues.apache.org/jira/browse/SPARK-38166
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 3.0.2
> Environment: Cluster runs on K8s. AQE is enabled.
> Reporter: Willi Raschkowski
> Priority: Major
> Labels: correctness
> Attachments: driver.log
>
>
> We're seeing duplicates after running the following
> {code}
> def compute_shipments(shipments):
> shipments = shipments.dropDuplicates(["ship_trck_num"])
> shipments = shipments.repartition(4)
> return shipments
> {code}
> and observing lost executors (OOMs) and task retries in the repartition stage.
> We're seeing this reliably in one of our pipelines. But I haven't managed to
> reproduce outside of that pipeline. I'll attach driver logs and the
> notionalized input data - maybe you have ideas.
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