Why is Cassandra eventually consistent?

Why is Cassandra eventual consistency?

Eventual Consistency Meeting the requirements of performance, reliability, scalability and high availability in production Cassandra is an eventually consistent storage system. Eventually consistent implies that all updates reach all replicas eventually.

Is Cassandra consistent or available?

4 Answers. Show activity on this post. Cassandra is typically classified as an AP system, meaning that availability and partition tolerance are generally considered to be more important than consistency.

How consistent is Cassandra?

The consistency level ONE means it needs acknowledgment from only one replica node. Since only one replica needs to acknowledge, the write operation is fastest in this case. The consistency level QUORUM means it needs acknowledgment from 51% or a majority of replica nodes across all datacenters.

How do you maintain consistency in Cassandra?

Tuning Consistency With Apache Cassandra1Consistency (C): All the nodes should have the same data at the same time.2High availability(A): Every request should be addressed.3Tolerance to network partitions (P): The system should continue to operate even in case of network partitions.