Is Cassandra free?

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Tags

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