Ron Dagostino created KAFKA-14056:
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Summary: Test reading of old messages formats in ZK-to-KRaft
upgrade test
Key: KAFKA-14056
URL: https://issues.apache.org/jira/browse/KAFKA-14056
Project: Kafka
Issue Type: Task
Components: kraft
Reporter: Ron Dagostino
Whenever we support ZK-to-KRaft upgrade we must confirm that we can still read
messages with an older message format. We can no longer write such messages as
of IBP 3.0 (which is the minimum supported with KRaft), but we must still
support reading such messages with KRaft. Therefore, the only way to test this
would be to write the messages with a non-KRaft cluster, upgrade to KRaft, and
then confirm we can read those messages.
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