Key-value database

Memcached

Simple, fast, distributed memory cache.

A multi-threaded in-memory key-value cache with a deliberately small feature set: opaque values, LRU eviction and no persistence. Still a common choice for caching sessions, query results and rendered fragments.

Data model: Key-value
Vendor: Memcached project
License: BSD 3-Clause (open source)
Articles: 1

MemcachedBeginner

Should I use Memcached or Redis for caching?

Memcached is a fast, simple, multi-threaded blob cache; Redis is a data-structure server with persistence and replication. How to choose, and the pitfalls both share.

#caching#performance

Tanishk · 6 min

Nov 4, 2026