Highly paid programmers & interview questions: how does redis of series 119 realize distributed locks?

One . Interview questions and Analysis

1. Interview questions of the day

Redis How to implement distributed locks ？

2. Problem analysis

Yige Today, I will continue to give you an analysis Redis Relevant interview questions . This article , Yige Will give you a specific analysis Redis Practical application of , Such as the use of Redis How to implement distributed locks . Distributed locking is an important means to solve the problem of concurrent access to shared resources in distributed projects , among Redis It is a common implementation scheme for implementing distributed locks , So today's content is very important , You should read carefully .

Two . Redis Implement distributed locks

1. Problem description

In fact, the content about locks , If you have carefully read the previous articles of Yige , It should not be very strange , We know Java There are all kinds of locks in the , such as synchronize、lock etc. , The following is the previous interview question article about lock ：

High paid programmers & Interview questions series 64 You are familiar with it synchronized Do you ？ Talk about its underlying principle , How to optimize it ？