Intrigued by the art of cloud architecture? Discover how to design, develop, and manage robust, secure, scalable, and dynamic solutions on Google Cloud as you prepare for the Professional Cloud Architect exam!
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A global gaming company is architecting a low-latency caching and state store on Google Cloud to handle millions of active sessions. The engineering team requires horizontal write scalability across multiple shards and needs to scale out read throughput across multiple zones while maintaining minimal client response times.
The team decides to deploy Memorystore for Redis Cluster (or Memorystore for Valkey) in Cluster Mode Enabled with read replicas provisioned for each shard, configuring client connections to issue the READONLY command to read directly from replica nodes.
According to distributed systems design trade-offs and the CAP theorem, what architectural trade-off must the team accept with this configuration?
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