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https://issues.apache.org/jira/browse/KAFKA-10532?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Guozhang Wang updated KAFKA-10532:
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Labels: new-streams-runtime-should-fix newbie++ (was: newbie++)
> Do not wipe state store under EOS when closing-dirty a RESTORING active or
> RUNNING standby task
> -----------------------------------------------------------------------------------------------
>
> Key: KAFKA-10532
> URL: https://issues.apache.org/jira/browse/KAFKA-10532
> Project: Kafka
> Issue Type: Improvement
> Components: streams
> Reporter: Guozhang Wang
> Priority: Major
> Labels: new-streams-runtime-should-fix, newbie++
>
> Today whenever we are closing-dirty a task, we always wipe out the state
> stores if we are under EOS. But when the closing task was a RESTORING active,
> or a RUNNING standby, we may actually not need to wipe out the stores since
> we know that upon resuming, we would still continue restoring the task before
> transit to processing ever (assuming the LEO offset would not be truncated),
> i.e. when they resumes it does not matter if the same records gets applied
> twice during the continued restoration.
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