Grokking the Advanced System Design Interview
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Let's explore Cassandra's replication strategy.

Each node in Cassandra serves as a replica for a different range of data. Cassandra stores multiple copies of data and spreads them across various replicas, so that if one node is down, other replicas can respond to queries for that range of data. This process of replicating the data on to different nodes depends upon two factors:

  • Replication factor
  • Replication strategy

Replication factor

The replication factor is the number of nodes that will receive the copy of the same data




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