This set of video tutorials uses the Redis 6.2.1 version. The content starts from the basic concepts of Redis in a step-by-step manner. The content covers: Redis installation and deployment, Redis common data type operations and underlying structure, Redis client Jedis and integration with SpringBoot. Projects, Redis transactions and locks, Redis persistent RDB and AOF, Redis master-slave replication and clustering, problems and solutions in Redis applications (cache penetration, breakdown, avalanche, distributed locks), new data types of Redis and New features of Redis 6, etc.