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Abstract: as a NoSql database, redis provides an efficient caching scheme. This paper mainly explains its single example, master-slave mode, sentinel and cluster configuration mode, compares its advantages and disadvantages, and expounds the high availability of redis as a caching framework. As an efficient caching framework, redis is widely u ...

In the previous article, we established the Auth service, which is specially used to handle user authentication and authorization. Here, we integrate JWT as the authentication ticket. What JWT What is JWT Json web token (JWT) is a JSON based open standard (RFC 7519) implemented to transfer declarations between network application enviro ...

Introduction to bitmap bitmap is also called bitops in Redis. It represents the corresponding value or state of an element through a bit bit. In fact, the implementation of bitmap does not add a new data type in Redis. Its underlying implementation is actually a String, that is, a char buf []. You should know that 1Byte = 8bit, so each sub ...

Last month, the company zk cluster had a failure, and then all project teams were required to check whether Dubbo programmatic / generalized calls were used, and @ Reference was forced to generate consumers. The specific reason is that a large number of online service visitors visited zk in a short time and created 2.4 million + nodes, resultin ...

Usage scenario 1. The order was placed successfully and was not paid for 30 minutes. Payment timeout, automatic cancellation of order 2. The order was signed, and no evaluation was conducted 7 days after signing. The order timeout is not evaluated, and the system defaults to high praise 3. The order was placed successfully, the merchant did ...

This article will comprehensively demonstrate Spring Boot's integration of JPA, Redis cache and RabbitMQ message queue around the current limiting and second kill requirements in high concurrency scenarios. This project will realize the effect of current limiting and second kill by integrating Springboot, Redis and Lua scripts, and will realiz ...

1, Causes of Redis unauthorized vulnerability 1.1 basic introduction to redis Redis is an open source (BSD licensed) in memory data structure storage system, which can be used as database, cache and message middleware. It supports many types of data structures, such as strings, hashes, lists, sets, sorted sets and range queries, bitmaps, ...

1. Open remote connection Redis does not support remote connection by default and needs to be opened manually. Enter redis conf Comment out the following bind ing Uncomment and set password (enable password verification) requirepass 123456 Then start redis 2. Jedis Create a normal Maven projectAdd Jedis dependency <dependency& ...

Use AOP proxy interception to realize caching The simple cache implementation above: The. Net core web API uses iationfilter to implement request caching The cache needs to be defined in the Controller layer, which increases the coupling to the Controller layer. In addition, the cache is the result IActionResult cache at the controller level. ...

The last one shared "understanding JVM in depth", and this one shared "Redis five data structures and three advanced data structure analysis". preface The most important and fundamental part of Redis is its rich data structure. The reason why Redis stands out is that it has rich data structure and can support a variety ...