Caching

All topics · Alphabetical index

Concepts

• Cache-aside; read-through; write-through; write-behind
• TTL; expiration; eviction; invalidation
• LRU; LFU; FIFO; admission policy
• Stale-while-revalidate; stale-if-error; negative caching
• Cache stampede; dogpile effect; single-flight; request coalescing
• TTL jitter; probabilistic early refresh
• Cache penetration; cache avalanche; hot keys
• Local cache; distributed cache; multilevel cache; coherence
• Versioned keys; tenant-aware keys; cache poisoning
• CDN; Vary; ETag; conditional requests; cache hit ratio

Further reading

Reference links for this topic.

• MDN Web Docs
• Redis documentation