Programming VIP

This article introduces the Redis Cluster cluster, and briefly introduces the implementation of the cluster. It is mainly a specific practical part: cluster startup, failover, adding nodes, removing nodes Basic concepts of Redis cluster Redis's cluster mode provides data fragmentation and ensures the availability of each partition. Each node of ...

This project is a Spring boot project Redis Cutting Programming Target: Add a comment to the method to cache when querying Method: Custom Note+AOP Section Programming step Say nothing but go directly to the code demonstration Step One Definition Notes @Retention(RetentionPolicy.RUNTIME) @Target( ...

Dockerfile introduces and commonly used instructions, including FROM, RUN, COPY, ADD, EXPOSE, WORKDIR, etc. in fact, dockerfile has powerful functions and provides more than ten instructions.   About Dockerfile Dockerfile is a text file used to build an image. The text content contains instructions and instructions required to build an image. ...

Java back end interface and Vue front end 1. See the effect first publish an article Background login Blog details Java back end interface development: Using springboot+mybaitsPlus+shiro+jwt+lombok+redis; database mysql5.7+ Here, we use IDEA to develop the background interface. It's easy to create a ...

Article catalog install Infrastructure string set Quotation marks Options lock obtain release exists expire System clock Various key operations Expiration algorithm colony list quicklist rpush rpop lpop lpush lindex lrange ltrim llen blpop brpop hash set zset zrange zrevrange zcard Curren ...

What is a distributed lock? In a JVM, where multiple threads are concurrent, we can use synchronous or Lock locks to ensure that only one thread can modify shared variables or execute code blocks at a time.However, our services are deployed on a distributed cluster basis, and for some shared resources, the use of Java locks in a distributed en ...

Article Directory Preface thinking HyperLogLog Use Redis command action Working with Java code The Principle and Feature of HyperLog Implementation Implement HyperLog using Java Summary Preface Web site UV refers to the amount of Unique Visitor visited by independent users of a Web site, that ...

Article Directory Distributed Lock 1. Distributed Lock Implementation 2. Distributed Lock Using redis Learning optimization summary Problems in the redis cluster state: Solving distributed locks using redisson 1. Import dependent service-util 2. Configure redisson Reentrant Lock Test Code Dis ...

introduction In general, in order to solve a single point of failure, web applications in the production environment will be deployed on multiple platforms, so there will be a problem. When we log in, we will store the login information in the session. If we rely on the session in the native web con ...

RedisLock -- make Redis distributed lock simple catalog 1. Project introduction 2. Fast use 2.1 introducing maven coordinates 2.2 register RedisLock 2.3 use 3. Participation and contribution 4. Contact the author 5. Open source protocol 1. Project introduction This project mainly simplifies the operation of redis distributed transact ...