Grokking the Advanced System Design Interview
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Summary: Cassandra

Here is a quick summary of Cassandra for you!


  1. Cassandra is a distributed, decentralized, scalable, and highly available NoSQL database.
  2. Cassandra was designed with the understanding that software/hardware failures can and do occur.
  3. Cassandra is a peer-to-peer distributed system, i.e., it does not have any leader or follower nodes. All nodes are equal, and there is no single point of failure.
  4. Data, in Cassandra, is automatically distributed across nodes.
  5. Data is replicated across the nodes for fault tolerance and redundancy. 6




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