Caching Strategies and Patterns
Caching Strategies and Patterns
MediumHLD0% accepted
Compare caching strategies: cache-aside, write-through, write-behind, read-through. Discuss cache invalidation, stampede problem, cache warming, and multi-level caching (L1/L2/CDN).
Approach
Compare caching strategies; solve cache stampede and invalidation problems.
Input
Cache miss storm after cache server restart
Output
Mutex: first request acquires lock, loads from DB, populates cache; others wait and get cached value on retry
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