Architect

Dec 1, 2015 · Backend Development

Cache Update Strategies: LRU/LFU/FIFO, Timeout Eviction, and Proactive Refresh

The article reviews three cache update strategies—algorithmic eviction (LRU/LFU/FIFO), timeout‑based eviction, and proactive updates—analyzing their consistency guarantees and maintenance costs, and then proposes a combined best‑practice approach for reliable backend caching.