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https://issues.apache.org/jira/browse/KAFKA-7367?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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John Roesler updated KAFKA-7367:
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Summary: Streams should not create state store directories unless they are
needed (was: Verify that Streams never creates RocksDB stores unless they are
needed)
> Streams should not create state store directories unless they are needed
> ------------------------------------------------------------------------
>
> Key: KAFKA-7367
> URL: https://issues.apache.org/jira/browse/KAFKA-7367
> Project: Kafka
> Issue Type: Improvement
> Components: streams
> Reporter: John Roesler
> Priority: Major
> Labels: newbie
>
> We have gotten some reports of Streams creating RocksDB stores unnecessarily
> for stateless processes.
> We can and should verify this doesn't happen by creating integration tests
> for *every* stateless operator that verify that after processing, the state
> directory is still empty.
> These tests could potentially be backported as far as we care to so that we
> can identify and fix potential unnecessary stores in past versions as well.
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