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https://issues.apache.org/jira/browse/KAFKA-6998?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Matthias J. Sax reassigned KAFKA-6998:
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Assignee: Guozhang Wang
> Remove caching wrapper stores if cache-size is configured to zero bytes
> -----------------------------------------------------------------------
>
> Key: KAFKA-6998
> URL: https://issues.apache.org/jira/browse/KAFKA-6998
> Project: Kafka
> Issue Type: Improvement
> Components: streams
> Reporter: Matthias J. Sax
> Assignee: Guozhang Wang
> Priority: Major
> Labels: kip
>
> Users can disable caching globally by setting the cache size to zero in their
> config. However, this does only effectively disable the caching layer, but
> the code is still in place.
> We should consider to remove the caching wrappers completely for this case.
> The tricky part is, that we insert the caching layer at compile time, ie,
> when calling `StreamsBuilder#build()` – at this point, we don't know the
> configuration yet. Thus, we need to find a way to rewrite the topology after
> it is passed to `KafkaStreams` if case caching size is set to zero.
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