What is Kafka in simple words?

Related questions

1. What are the advantages of Cassandra?
2. Does Kafka need ZooKeeper?
3. What is Kafka vs Hadoop?
4. How replication works in Cassandra?
5. What is datacenter in Cassandra?
6. Why do we need RabbitMQ?
7. What Kafka topics?
8. What is Cassandra DB used for?
9. Is Kafka free?
10. How does Kafka work?

Tags

1. #messages
2. #nodes
3. #durable
4. #summary
5. #publish
6. #kafka
7. #since
8. #across
9. #partitioned
10. #messaging
11. #maintains
12. #system
13. #feeds
14. #subscribe
15. #replicated
16. #systems
17. #distributed
18. #topics
19. #designed
20. #scalable
21. #multiple