How does Cassandra replication work?

Related questions

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2. Is Cassandra a relational database?
3. What does Nodetool repair do?
4. Is Cassandra key value?
5. How many types of replica placement strategy exist?
6. What is tombstone in Cassandra?
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Tags

1. #where
2. #replicas
3. #tolerance
4. #replication
5. #factor
6. #cassandra
7. #stores
8. #copies
9. #determines
10. #reliability
11. #placed
12. #nodes
13. #means
14. #different
15. #multiple
16. #fault
17. #ensure
18. #strategy