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Timeout from this configuration typically happens when the application code to process the consumer's fetched records takes too long (longer than max.poll.interval.ms ). Hitting this timeout will cause the consumer to leave the group and trigger during a rebalance (if it is not a static member as described in KIP-345: Introduce static membership protocol to reduce consumer rebalances). The consumer will end up rejoining the group if processing time was the only issue (and not a static member). This scenario is not ideal as rebalancing will disrupt processing and take additional time.

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