Tag：redis
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Time：2021-6-26
In this paper, an example is given to show how PHP uses the ordered set Zset of redis to implement the delay queue. The details are as follows: Delay queue is a message queue with delay function. Compared with ordinary queue, it can consume messages at a specified time. Application scenarios of delay queue: 1. […]
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Time：2021-6-24
This paper introduces several common operation modes and usages of redis in PHP. The details are as follows: 1、 Simple string caching For example, cache some data with slow SQL query and infrequent update. <?php $redis = new Redis(); $redis->connect(‘127.0.0.1’, 6379, 60); $sql = ‘select * from tb_order order by id desc limit 10’; //Pseudo […]
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Time：2021-4-23
Redis is a memory database with very strong performance. It is generally used as a cache, but it can not only be used as a cache. For example, the famous distributed framework Dubbo can use redis as a service registry. Next, let’s introduce how. Net core uses redis’s publish / subscribe function. Redis publish subscribe […]
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Time：2021-3-18
concept Redis is an open source log and key value database written in ANSI C language, supporting network, memory based and persistent. Similar to memcached, redis supports more value types, including string, list, set, Zset and hash. On this basis, redis supports various sorting methods. Like memcached, data is cached in memory to ensure efficiency. […]
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Time：2021-3-16
This example for you to share the spring boot integration redis simple seckill system specific code, for your reference, the specific content is as follows The project has an address. I’ll put it at the end of the article 1. Direct service. We will introduce two second kill modes public interface GoodsService { /** *Second […]
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Time：2021-3-8
1|0MySQL（MariaDB） 1. Explanation MariaDB database management system is a branch of MySQL, which is mainly maintained by the open source community and licensed by GPL. One of the reasons for the development of this branch is: after Oracle acquired mysql, there is a potential risk of closing the source of MySQL, so the community adopts […]
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Time：2021-1-29
This article mainly introduces the springboot redis distributed lock code example, through the example code is introduced in great detail, has a certain reference learning value for everyone’s study or work, need friends can refer to With the rapid development and application of distributed architecture such as microservice, in many cases, we will encounter the […]
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Time：2021-1-19
1、 Preface Docker technology is very popular now. It is very efficient to build a project environment through containers. So recently, I took the time to read some tutorials, and then changed the blog deployment mode to docker. I don’t feel that there is any particularly good blog on the InternetdockerdeploydjangoProject tutorial, specially wrote this […]
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Time：2020-12-8
When we do automatic discovery, there will always be a script to obtain port information and return it to JSON format. Take redis as an example. The following is the script for redis to perform automatic discovery redisport=(`ps aux|grep -w redis-server|grep -v “grep” |awk -F’:’ ‘{print $NF}’`) portnum=${#redisport[@]} count=`hostname | grep “\-SQ” | wc -l` […]
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Time：2020-12-7
redis desktop managerIt is an open source redis visualization tool that can be used across platforms to help users easily and quickly view and manipulate the entire database. The software has an intuitive and powerful visual interface, and has a complete and comprehensive data operation function. It supports users to use the visual operation interface […]
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Time：2020-12-7
preface In the learning process, it is found that the Zset of redis can also be used to realize the lightweight delayed message queuing function. Although the reliability needs to be improved, it can be realized for some functions that require less data reliability. This paper mainly uses zadd, zrangebycore and zdel in Zset of […]
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Time：2020-11-10
POM file <! — redis dependency in springboot — > <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-data-redis</artifactId> </dependency> to configure #Redis database index (default is 0) spring.redis.database=0 #Redis server address spring.redis.host=39.96.162.54 #Redis server connection port spring.redis.port=6379 #Redis server connection password (blank by default) spring.redis.password=qweqwe #Connection timeout (MS) spring.redis.timeout=0 Configuration class import com.fasterxml.jackson.annotation.JsonAutoDetect; import com.fasterxml.jackson.annotation.PropertyAccessor; import com.fasterxml.jackson.databind.ObjectMapper; import org.springframework.context.annotation.Bean; import […]
