Partition Assignment
Kafka brokers maintain metadata about the topic partitions and their respective leaders (the leader is the broker responsible for handling reads and writes for a partition). When a message is produced for a topic, the producer uses the consistent hashing algorithm to determine the partition for the message based on its key.
Does Kafka use Consistent Hashing?
Yes, Kafka uses consistent hashing to distribute partitions across brokers in a Kafka cluster. This approach ensures that each message is assigned to a specific partition based on a consistent hashing algorithm, which helps in achieving load balancing and fault tolerance in the Kafka cluster.
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