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Article directory Redis-Xi-01-Redis Distributed Lock (Lua script) Get Lock Release Lock Code test Code Testing process Redis-Xi-01-Redis Distributed Lock (Lua script) In SpringBook project, set key value nx px command is used to ensure the atomic operation of acquiring lock, and Lua script ...

Some hot data may be visited thousands of times in a short time, so besides placing it in redis, it can also be placed in local memory, which is JVM's memory. We can use google's guava cache component to implement local caching. We chose guava because it can control the size and timeout of key s and value s, configure LRU policies, and guava i ...

yls2019-9-23 brief introduction This paper introduces how to implement single sign-on function in micro-service architecture. Create three services: Services that operate redis clusters for sharing data among multiple services Unified Authentication Center Service for Unified Login Authentication of the Whole System Service consumers for te ...

Add dependency <!-- spring boot2.0 Later, the default redisConnectionFactory by LettuceConnectionFactory，I want to continue using it here. jedis，Just do it. exclusion --> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-da ...

Links to the original text: https://my.oschina.net/zipu888/blog/549579 redis 2.4.4 snapshot of redis achieves persistence by writing all data in memory to files. It should be noted ...

What is Sentry? Docker deployment 1. what is Sentry? 2. Sentry deploys services using mirrors 2.1 Download Mirror: 2.2 Start redis and postgres 2.3 Generate the secret key, remember to save the key after generation 2.4 Initialization of data structures 2.5 Start sentry's three containers 2.6 docker ...

I. Asynchronous redis service installation Swoole Official Documents Guide - > Quick Start - > Asynchronous Redis client 1. swoole uses asynchronous redis preconditions redis services hiredis library (X) Compiling swoole requires adding -- enable-async-redis (X) Note: If your version of swoole is over 4.3, you only need to install redi ...

Preface When I blog based on beego, I encountered a strange problem: when using Memory Cache type caching, it's strange that the caching doesn't work, but it's okay to use redis. Because of the time problem, I didn't go deep into it. After all, at that time, I would actually use Memory as a cache. So I put it down, and today someone in the grou ...

baiyan Command usage Command Meaning: View some information about the specified key, usually for debugging or viewing internal code usageCommand format: OBJECT subcommand [key] OBJECT has four optional subcommand s: OBJECT REFCOUNT: View the reference count of the current key OBJECT ENCODING: View the encoding of the current key OBJECT IDLETIM ...

Catalog Cookie and Session Session storage mechanism in Falsk Related Configurations Use the Flask-Session tripartite component Basic exercises Cookie and Session Cookie:#Storage size is limited, stored on the client, there is a security risk Cookies, meaning cookies, were proposed ...