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Current Limiting Algorithms Counter Current Limitation Fixed window sliding window Barrel current limiting Token Bucket Leaky bucket Counter Counter current limiting can be divided into: Fixed window sliding window Fixed window The current limitation of fixed window counter is simple and clear, that is, to limit the number of requests ...

First is the project address: https://github.com/maqiankun/distributed-id-redis-generator For Redis Cluster to generate distributed ID s, here's the first thing to learn about the EVAL, EVALSHA command when redis uses the lua script: https://www.runoob.com/redis/scripting-eval.htmlhttps://www.runoob.com/redis/scripting-evalsha.html Explain how ...

Articles Catalogue User Registration and Authentication Front-end display registration page Implementation of Registration Function Client submits registration information Sending SMS Using Cloud Communication Back-end Generation of Short Messag ...

Monitoring: Sentinel constantly checks whether your master and slave servers are functioning properly. Notification: Sentinel can send notifications to administrators or other applications through the API when a Redis server being monitored has problems. Automatic failover: When a primary server does not work properly, Sentinel starts an aut ...

Introduction Technology stack: react + redux + react-router + express + Nginx Practice points: redux connection react-router routing jump scss style writing Design of Container Component and Display Component Structural Design of express Scaffolding Project User information persistence (cookie + redis) Common Security Problem Handling (xss sql ...

Introducing express npm install express --save express-generator This is a generator to generate express, through which we can quickly build an express architecture without having to build a tedious one. npn install express-generator -g Note: - g means global installation, if not global installat ...

Based on business problems, redis was added to the project for caching and queuing. But now we just install and deploy on a single server, without purchasing other services like Ali Cloud, and without building master and slave. This leads to problems. If the redis process is accidentally blocked, then the business can not be carried out. This ...

Asynchronous Programming Completable Future for Request Merging in High Concurrent System OptimizationFirst of all, the scene: According to Redis's official website, the read-write performance of single-machine Redis is 120,000/sec, and batch processing can reach 700,000/sec. Whether it's a cache or a database, it has the function of batch proc ...

Recently, I found that there were fewer and fewer questions I knew I was interested in, so I was ready to aggregate technical questions and answers from other platforms, such as segmentfault, stackoverflow, and so on. To accomplish this work, there must be crawlers.I stopped by to study colly, a crawler framework for Go. Overview Coly is a well ...

(9) SprintBoot 2.X page optimization technology (page caching + object caching) 1. Page optimization technology 1.1 Page Cache + URL Cache + Object Cache 1.2 Page Static, Front-end and Back-end Separation 1.3 Static Resource Optimization 1.4 CDN optimization [Caching issues] (https://github.com/CyC ...