Tim Van Laer created KAFKA-6248:
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Summary: Enable configuration of internal topics of Kafka Streams
applications
Key: KAFKA-6248
URL: https://issues.apache.org/jira/browse/KAFKA-6248
Project: Kafka
Issue Type: Improvement
Components: streams
Reporter: Tim Van Laer
Priority: Minor
In the current implementation of Kafka Streams, it is not possible to set
custom configuration to internal topics (e.g. max.message.bytes,
retention.ms...). It would be nice if a developer can set some specific
configuration.
E.g. if you want to store messages bigger than 1MiB in a state store, you have
to alter the corresponding changelog topic with a max.message.bytes setting.
The workaround is to create the 'internal' topics upfront using the correct
naming convention so Kafka Streams will use the explicitly defined topics as if
they are internal.
An alternative is to alter the internal topics after the Kafka Streams
application is started and has created its internal topics.
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