(This set of video tutorials adopts redis version 6.2.1. The content goes from simple to deep, step by step, starting with the basic concept of redis. The content covers: redis installation and deployment, redis common data type operation and underlying structure, redis client jedis and springboot project integration, redis transaction and lock, redis persistent RDB and AOF, redis master-slave replication and clustering, problems and solutions, redis applications (CACHE penetration, failure, avalanche, distributed lock), new data types of redis and new functions in redis 6.)