What is Cassandra database good for?

Related questions

1. Does Cassandra use consistent hashing?
2. What is compaction in Cassandra?
3. Is Cassandra a wide column store?
4. How is Cassandra NoSQL?
5. What is Gc grace period in Cassandra?
6. Can Cassandra store JSON?
7. Is Cassandra key value?
8. Does Cassandra support ACID transactions?
9. Who uses MongoDB?
10. What is tombstone in Cassandra?

Tags

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