Consistent Hashing

Question 1

What kinds of systems would make use of consistent hashing?

Answer 1

Any distributed system that needs to scale up or down or wants to achieve high availability through data replication.

Question 2

What storage mediums can use consistent hashing?

Answer 2

Distributed caches, data shard, DB nodes.

Question 3

What databases use consistent hashes?

Answer 3

Dynamo, Cassandra