Harden cache invalidation plan
Hard System Design arena: TTL choices, write-through versus cache-aside, and stale-read risk
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Missing prerequisites: system-design-easy-cache-invalidation
A profile service serves stale account data after users update privacy settings. You are working inside a system design review board, and the arena only clears when the result is safe, deterministic, and explainable.
Learn to apply TTL choices, write-through versus cache-aside, and stale-read risk in a system design review board while explaining the invariant, safety constraints, and hidden edge cases.
- Demonstrates TTL choices, write-through versus cache-aside, and stale-read risk
- Handles the visible sample and hidden edge cases
- Keeps output deterministic and explainable
- Avoids unsafe dynamic execution
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Genie Mentor Core
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