CacheSystem
CacheSystem is a software or hardware mechanism that stores copies of data from a primary data store in a faster-access storage layer to reduce latency, improve throughput, and decrease load on the underlying source. It is used across computing domains, including CPUs, databases, web servers, and distributed applications.
In practice, a CacheSystem selects which data to store, how long to keep it, and when to
Eviction policies determine what data to remove when space is needed. LRU and LFU are common, with
Typical architectures include local or in-process caches for a single application, remote or distributed caches serving
Popular implementations include Memcached, Redis, Ehcache, Caffeine, and Apache Ignite. Design considerations include data size, latency