KIP-842 — Add richer group offset reset mechanisms

Discussion Consumer

Extends group offset reset with richer InitialOffsetResetStrategy options (e.g., EARLIEST_LOCAL, BY_DURATION) to handle scenarios such as consumer groups encountering newly added partitions after a topic partition count increase. The default auto.offset.reset=latest causes newly added partitions to start at the latest offset, silently skipping data that was produced into those partitions before the consumer group's rebalance detected the new partition count.

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