Grokking the Advanced System Design Interview
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3. Quorum

Let's learn about Quorum and its usage.


In Distributed Systems, data is replicated across multiple servers for fault tolerance and high availability. Once a system decides to maintain multiple copies of data, another problem arises: how to make sure that all replicas are consistent, i.e., if they all have the latest copy of the data and that all clients see the same view of the data?




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