(Lesson 1. Overview of Zookeeper's understanding and use, Zookeeper's basic knowledge, system structure, data model, common use scenarios Lesson 2. Zookeeper cluster building, command line client operation, cluster building and testing, command line client operation, Stat Lesson 3, Watches, Node, API introduction, JavaClient development, Watches, Node details, API introduction, JavaClient development Lesson 4, JavaClient advanced drill authorization operation Lesson 5 Practical case development I Configuration management Configuration management Case development Lesson 6 Practical case development II Principle and implementation of distributed lock implementation Lesson 7 Operation and maintenance guide and precautions, daily protection precautions, detailed explanation of configuration parameters, detailed explanation of 4-word command Lesson 8 Operation and maintenance and monitoring Web mode construction and use of Taokeeper. TaoKeeper provides a Web interface, which can monitor Zookeeper cluster in many aspects, For example, the number of connections, the number of watchers, the running status of the cluster, the utilization rate of the CPU in the disk, etc. are monitored in an all-round way, and alarm interfaces are provided.)