The CAP Theorem in Practice: Making the Right Trade-offs at Scale

Every distributed system you build is already taking a side in the CAP trade-off. The question is whether you made that choice deliberately or discover it during an incident. CAP states that a distributed system can guarantee at most two of three properties: Consistency , Availability , and Partition Tolerance . The critical insight most teams miss — P is not optional. Networks fail. Pods crash. AZs go dark. You are choosing between CP and AP . Full stop. CP vs AP: What You're Actually Trading C