What is Cassandra used for?

Related questions

1. Does Kafka need ZooKeeper?
2. What is simple strategy in Cassandra?
3. Is Cassandra DB free?
4. What is Cassandra token?
5. Is Kafka push or pull?
6. Why do we need RabbitMQ?
7. What is datacenter in Cassandra?
8. Is Dynamodb based on Cassandra?
9. Is Kafka free?
10. What is Kafka in simple words?

Tags

1. #large
2. #failure
3. #apache
4. #performance
5. #highly
6. #point
7. #handle
8. #single
9. #nosql
10. #introduction
11. #providing
12. #database
13. #commodity
14. #amounts
15. #availability
16. #designed
17. #cassandra
18. #servers
19. #distributed
20. #across
21. #scalable