Matthias J. Sax created KAFKA-6729:
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Summary: KTable should use user source topics if possible and not
create changelog topic
Key: KAFKA-6729
URL: https://issues.apache.org/jira/browse/KAFKA-6729
Project: Kafka
Issue Type: Bug
Components: streams
Affects Versions: 1.0.0
Reporter: Matthias J. Sax
Fix For: 1.2.0
With KIP-182 we reworked Streams API largely and introduced a regression into
1.0 code base. If a KTable is populated from a source topic, ie,
StreamsBuilder.table() -- the KTable does create its own changelog topic.
However, in older releases (0.11 or older), we don't create a changelog topic
but use the user specified source topic instead.
We want to reintroduce this optimization to reduce the load (storage and write)
on the broker side for this case.
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