Caching Strategies

Choose where a cache lives, how it is filled and invalidated, and how it fails at scale

Master read and write caching patterns, TTL and invalidation, eviction policies, cache stampedes and hot keys, consistency races, hit-ratio sizing, and CDN caching, with a worked design of a 50k QPS product-page cache.

Practice questions (5)

• Sizing and Designing a Product-Page Cache

  Intermediate · Free
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• Choosing a Write Pattern for Three Different Data Types

  Intermediate
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• Diagnosing a Stale-Read Race Condition

  Advanced
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• Preventing a Cache Stampede After a Deploy

  Advanced
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• The Attack Your Cache Hit Ratio Can't See

  Intermediate · Free
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Quizzes (1)