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Status

Current state: Under Discussion

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ConsoleConsumer is one of the main debugging tools used by Kafka users. Especially for new users and new setups. However, not all possible message (ConsumerRecord) attributes are accessible using it.
Currently we have following parameters which control the ConsoleConsumer output format:

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• print.offset – print message offset
• print.partition – print message partition
• print.headers – print headers associated with the message
• header.separator – separator printed after each key:value pair
• headers.deserializer - header value deserializer

Proposed Changes

New perimeters were described in Public Interfaces section.

Compatibility, Deprecation, and Migration Plan

The changes are backward compatible. If a user won’t use any new parameters, then the output of console consumer will look the same as before.

Rejected Alternatives

None