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cassandra

Notes

Questions

Question 1: what arch does cassandra follow?

Question 2: What is the biggest benefit of p2p ?

Question 3: what is the gossip protocol?

Question 4: Give the office water cooler example for gossip protocol

Question 5: What is antientropy

Question 6: What is the partitioner

Question 7: Logically what topology does the nodes follow

Question 8: What determines the number of copies

Question 9: What is the ideal range of RF

Question 10: What are the two types of replication strategies

Question 11: What is the main difference between simple and network topology strategy?

Question 12: What are the different replication policies?

Question 13: Rack-aware and Datacenter-aware policies use which app to decide the leader?

Question 14: Explain the write operation in cassandra

Question 15: Draw a diagram illustrating the write operation

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Question 16: What is the full form of SSTable

Question 17: Is the flushing operation blocking?

Question 18: Can there be multiple memtables for a single column

Question 19: When does cassandra send ACK to the client in terms of writing

Question 20: What are the two placed that cassandra writes to first when the data comes in?

Question 21: When does the commit log get cleaned ?

Question 22: What is cassandra’s read path

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Question 23: What is hinted handoff?