What is the best way to cache?

Question

MySQL

Good evening.
The question arose - which method of data caching is faster - MySQL with the MEMORY engine, or memcached?

Answer 1

The question arose - which method of data caching is faster - MySQL with the MEMORY engine, or memcached?

Faster than memcached, marginally. Much more convenient than redis.

Answer 2

Depends on specific usage. If always by primary key - memcached or redis. If for different fields - mysql or mongo.