There are numerous tools provided by Kafka to manage features such as: cluster management, topic tools, and cluster mirroring. Let's see some of these tools.

Cluster tools

When replicating multiple partitions, we obtain several replicas of which one acts as leader, and the rest as followers. When there is no leader, a follower takes the leadership.

When we have to shut down the broker for maintenance activities, the new leader is elected sequentially. This brings significant I/O operations on Zookeeper. With a big cluster, this means delays in service.

To reach high availability, Kafka provides a tool for shutting down the brokers. This tool transfers the leadership among the replicas or to another broker. If we don't have in-sync replicas ...

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