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Table structure, data as follows: CREATE TABLE `redis_num_mem` ( `id` int(10) unsigned NOT NULL AUTO_INCREMENT COMMENT 'Self increment id', `cluster_id` int(10) unsigned NOT NULL DEFAULT 0 COMMENT 'Redis colony id', `type` varchar(10) NOT NULL DEFAULT '' COMMENT 'key type', `number` int(10) unsigned NOT NULL DEFAULT 0 COMMENT 'key ...

Start of server The main function of Redis server is in server.c. // server.c int main(int argc, char **argv) { struct timeval tv; int j; /* Set some constants of the server */ /* We need to initialize our libraries, and the server configuration. */ #ifdef INIT_SETPROCTITLE_REPLACEMENT spt_init(argc, argv); #endif setl ...

Today, I learned about Jedis, and then I made a case, but there was a mistake, and then I Baidu didn't solve it all night. I thought to see if I could have a big guy to help me see where the problem was. Baidu was a bit confused all night. Please help me out. I want to thank you very much in this place. Let's see. Thank you~ Here are the case r ...

First, we will create a RedisPool class in our project The code is as follows: package com.mmall.common; import com.mmall.util.PropertiesUtil; import redis.clients.jedis.Jedis; import redis.clients.jedis.JedisPool; import redis.clients.jedis.JedisPoolConfig; /** * @author Chakid * @since 2018-10-30 20:15 */ public class RedisP ...

1. lua introduction demo 1.1. Hello World!! Because I am used to using docker to install various software, this lua script also runs on the docker container Openresty is a variety of modules of nginx+lua, so you can install openresty directly in docker Modify the nginx.conf configuration file, and add lua_package_path "/usr/local/openresty/lu ...

Reference link: https://www.cnblogs.com/linjiqin/p/8003838.html 1: Introduction There are three ways to implement distributed lock: 1. Optimistic database lock; 2. redis based; 3. zookeeper based. redis server is a single thread operation, which perfectly avoids the problem of multithreading synchronization and realizes atomicity. First of all, ...

1. Configure lifecycle bean postprocessor to manage lifecycle 2. Configure ShiroFilterFactoryBean to set which paths require authentication and which do not 3. Enable shiro Aop annotation to support AuthorizationAttributeSourceAdvisor 4. Configure SecurityManager to manage custom realms, session s, and caches Realm realizes logi ...

python crawler scratch project (2) Crawling target: fangtianxia national rental information website (starting url: http://zu.fang.com/cities.aspx) Crawling content: City; name; rental method; price; house type; area; address; transportation Anti creep measures: set random user agent, set request delay operation 1. Start to create project 1 scr ...

background The core code of ci3.0 framework automatically implements exceptions and the corresponding pages and methods thrown, which is not suitable for some personalized requirements, especially for the application of interface types. Therefore, it is necessary to change the handling of exceptions and 404 and other related exceptions without ...

Spring data redis encapsulates the operation of redis. It is very convenient to use redis in projects Integrating spring data redis is very simple. There are three files that need to be modified. 1.pom.xml 2.application-context.xml 3.redis.properties 1. Add spring data redis and redis dependencies in pom <dependency> ...