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Command Description Syntax SADD add value SADD key member [member...] SMEMBERS traversal set SMEMBERS key SCARD Gets the number of key members SCARD key SISMEMBER Determines whether a member has a SISMEMBER key member Spop Random Delete Element Spop key SREM deletes the specified member SREM key member [member...] SRANDMEMBER randomly ret ...

If it's a professional DBA, the instance boots with a lot of parameters to make the system run very stable, which may add a parameter after Redis at boot to specify the path of the configuration file, just like MySQL, to start the database by reading the boot configuration file. After the source code is compiled, there is a redis.conf file in ...

Environmental preparation python3.5.4 windows redis pip install celery pip install redis Start redirs server under windows redis-server.exe redis.windows.conf image.png celery configuration Project settings.py file modification: # celery settings # celery intermediary redis://redis service ip address: port/database num ...

One, What? When a user accesses a system, it is "nonexistent" session, which disconnects and connects the system at the first visit. In this case, it is generally necessary to control in the background to maintain the relationship between the user and the system. Since Tomcat server can't do it, we can consider redis. Two, Why? Benefi ...

CDN (static resources) + Nginx (load balancing & reverse proxy) + Redis (master-slave configuration & Sentinel listening cluster) + Mysql (master-slave configuration) Introduction: Business from the initial stage of development to gradually mature, server architecture is also from relatively single to cluster, then to distributed, techn ...

Looking at the Kafka document recently, I found that Kafka has one. Log Compaction Functions we haven't noticed before, but they have high potential practical value. What is Log Compaction Every piece of data in Kafka has a pair of Keys and Value s, which are stored on disk and will not be preserved permanently, but delete the earliest written ...

This chapter will share with you a single sign-on middleware. The middleware sounds profound. In fact, this middleware just encapsulates the logic and processing flow used in single sign-on into several methods. The default support uses redis service to save sessions. It can also use parameter Func<> method to customize session storage op ...

1, foreword Redis Is a commonly used memory-based Key-Value data base It is more advanced than Memcache and supports many kinds data structure It is efficient and fast. Redis can easily solve the problem of high concurrent data access; it is also very good as a time-to-time monitoring signal processing. 2, installation //Installing R ...

Reference resources https://gitlab.com/gitlab-org/gitlab-ce/blob/master/doc/install/installation.md https://bbs.gitlab.cc/topic/35/gitlab-ce-8-7-%E6%BA%90%E7%A0%81%E5%AE%89%E8%A3%85%E6%89%8B%E5%86%8C-centos6-rehl6/2 I. Configuration Foundation 1. Install epel source yum -y install epel-release vim wget ntpdate gcc gcc-c++ -y /usr/sbin/ntp ...

Why use it? Activeemq has been used before, but it's Java-based. It has to be loaded with a bunch of things and configured. And I'm just a relatively simple function, so I'm not going to use it. But I'll learn later that yii2-queue can be combined. install First you have to install it with composer, which is very simple, under your project dire ...