the same data center, the easiest way will be to add the new ones as replicas for all the existing partitions you have. Kafka will bring them in sync making them ISRs. One they are in-sync you should be able to safely shutdown the old nodes.
This of course depends on how your consumers are configured (will they automatically find the new nodes?) and which version of Kafka you're on.
Спасибо, как раз ищу как вручную синкануть новые ноды
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