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The consumer group command, when used for describing a consumer group in the default or --offsets mode, currently reports current offset, log end offset, and the lag for each topic partition the group has offset for. It would be useful to extend the tool to also report the beginning offset for each partition. The They could help with determining where the group stands with respect to consuming from the partition, whether it is consuming OK or is falling behind, what percentage of messages are consumed, whether the partition is empty, etc. The beginning or earliest log offset is not something that can be derived from the provided info.

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