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Discussion thread: here

JIRA: NA here

Motivation

Kafka TopicPartitions  are replicated on the broker side to different racks. KIP-881: Rack-aware Partition Assignment for Kafka Consumers added rack information of clients in partition assignment interface so that the assignment logic can utilize this information to try to assign TopicPartitions  to the clients in the same rack as much as possible so that it would avoid cross rack traffic (CRT) which has higher costs in terms of latency and money.

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