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Kafka Schema Evolution allows safe changes to message structures without breaking existing consumers.

Kafka uses brokers for data handling and KRaft controllers for metadata management.

Container data can be lost unless stored in persistent volumes.

Apache Kafka is a system for managing large volumes of events efficiently.

Elasticsearch CCR allows real-time data replication for faster disaster recovery.

Elasticsearch has different node roles that help manage data and scale clusters effectively.

Elasticsearch uses master election and quorum to prevent split brain scenarios.

ZooKeeper coordinates distributed systems using an ensemble of servers and the ZAB protocol.