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https://issues.apache.org/jira/browse/SPARK-34187?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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L. C. Hsieh updated SPARK-34187:
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Summary: Use available offset range obtained during polling when checking
offset validation (was: Use available offset range obtainted during polling
when checking offset validation)
> Use available offset range obtained during polling when checking offset
> validation
> ----------------------------------------------------------------------------------
>
> Key: SPARK-34187
> URL: https://issues.apache.org/jira/browse/SPARK-34187
> Project: Spark
> Issue Type: Bug
> Components: Structured Streaming
> Affects Versions: 2.4.7, 3.0.1, 3.1.0
> Reporter: L. C. Hsieh
> Assignee: L. C. Hsieh
> Priority: Major
>
> We support non-consecutive offsets for Kafka since 2.4.0. In `fetchRecord`,
> we do offset validation by checking if the offset is in available offset
> range. But currently we obtain latest available offset range to do the check.
> It looks not correct as the available offset range could be changed during
> the batch, so the available offset range is different than the one when we
> polling the records from Kafka.
> It is possible that an offset is valid when polling, but at the time we do
> the above check, it is out of latest available offset range. We will wrongly
> consider it as data loss case and fail the query or drop the record.
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