7. Kafka Replication

Replication

• Each partition is replicated across multiple server for fault tolerance
• Only one partition will be active at a time called LEADER
• Other partition are called FOLLOWER
• Leader handles all read and write request for partition, while followers passively replicate from the leader

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Scenario

• KAFKA CLUSTER - 3Broker 1Topic 1Partition 1Replicatoin
  1. P0 will be present in any one of the 3Brokers and it is called Leader, other 2Brokers will not have any PARTITIONS.
• KAFKA CLUSTER - 3Broker 1Topic 1Partition 2Replicatoin
  1. P0 will be present in any one of the 3Brokers and called as LEADER; 1FOLLOWER will be in any one of other 2Broker; 1Broker will not have any PARTITIONS
• KAFKA CLUSTER - 3Broker 1Topic 1Partition 3Replicatoin
  1. P0 will be present in any one of the 3Brokers and called as LEADER; 2FOLLOWER will be in other 2Broker;