Programmer Think

1, Foreword Redisson distributed interlocking RedissonMultiLock objects based on Redis can associate multiple RLock objects into an interlocking, and each RLock object instance can come from different redisson instances. Of course, this is the introduction of the official website. What is it? Let's take a look at the use and source code of int ...

8. Spring boot integrates redis Import dependency <!--redis rely on--> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-data-redis</artifactId> <!-- <version>2.1.6.RELEASE</version>--> </dependen ...

Chapter 76 method Keyword - SoapAction Specifies the SOAP operation to use in the HTTP header when this method is called as a web method over HTTP. Applies only to classes defined as web services or web clients. usage To specify the SOAP operation to use in the HTTP header when using this method as a web method, use the following ...

prefacestay Mybatis source code - execution process of Executor In this article, the first level cache and second level cache in Mybatis will be described in combination with examples and source code.textI Display of L1 cache mechanismIn Mybatis, if the same SQL statement is executed multiple times, Mybatis provides a level-1 cache mechanism to ...

With the decline of hardware price, people rely more and more on hardware. I even heard that the code is not important. If not, add machines. For example, the use of cache is usually based on virtual machine memory, disk storage and Middleware (Redis memory). We all know that the most suitable is the best, but in practice, it is often directl ...

Is Redis single threaded and high-performance Redis single threaded? The single thread of Redis mainly means that the network IO and key value pair reading and writing of Redis are completed by one thread, which is also the main process of Redis providing external key value storage services. However, other Redis functions, such as persistenc ...

preface: Learn some notes on Redis by yourself 📒 Write it down, and it's convenient for you to look through it Course link: https://coding.imooc.com/class/151.html Book recommendation: Redis development and operation and maintenance First article: https://sleepymonster.cn Here is just an introduction or a search ~ For a specific ...

1, Django caching framework When a dynamic website receives every user request, it will perform operations such as querying the database and rendering templates. These operations are much more expensive and not necessarily necessary than simply reading files from the file system. Therefore, we can save the calculation results and directly ...

Redis advanced features Slow query Many storage systems (such as MySQL) provide slow query logs to help developers and operation and maintenance personnel locate the slow operation of the system. The so-called slow query log is that the system calculates the execution time of each command before and after the command is executed. When it exce ...

preface Today, I will share five data structures of Redis and their use scenarios in actual combat 1, Redis data structure? We all know that redis is an indispensable middleware tool in large-scale systems. It can support high concurrency scenarios or distributed locks. This is inseparable from his design architecture and underlying ...