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This article explains the principles and practical implementation of in‑memory caching using Guava’s LoadingCache, covering cache initialization parameters, put and loading strategies, eviction policies, common algorithms such as LRU, LFU, FIFO, and tips for avoiding memory issues and monitoring cache performance.
This article explains the fundamentals of in‑memory caching, compares it with buffering, introduces Guava's LoadingCache configuration and operations, discusses eviction strategies, illustrates common cache algorithms (FIFO, LRU, LFU), provides a simple LRU implementation using LinkedHashMap, and offers practical guidelines for when and how to apply caching to improve backend performance.
This article explains the fundamentals of in‑memory caching, introduces Guava's LoadingCache API, discusses cache sizing, eviction policies, common algorithms like FIFO, LRU, LFU, shows a simple LRU implementation using LinkedHashMap, and provides practical guidance on when and how to apply caching for performance optimization.
This article explains how to create and configure Guava LoadingCache instances, covering builder options, CacheLoader implementation, explicit insertion, callable loading, size‑based, timed, and reference‑based eviction, removal listeners, refresh strategies, statistics, asMap view, and interruption handling, with complete Java code examples.