Cache #

Redis

A complete guide to Redis with Java using Jedis and Lettuce — String, Hash, List, Set, and Sorted Set data structures, TTL and eviction policies, caching patterns, distributed locks, Pub/Sub, pipelines, and Redis Cluster.

Memcached

A complete guide to Memcached with Java using Spymemcached and XMemcached — slab allocator architecture, basic operations, object serialization, consistent hashing, multi-gets, CAS for concurrency, caching patterns, and an in-depth comparison with Redis.