Grokking the Advanced System Design Interview
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3. Quorum
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Let's learn about Quorum and its usage.

Background

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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Table of Contents

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Contents are not accessible

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