Tag:Connection pool

  • Integration of mybatis framework in springboot project

    Time:2021-6-23

    ~~~~Integration of mybatis in spring Analysis of mybatis running logic 1、 Add the required dependencies to the pom.xml file: MySQL driven dependency <dependency> <groupId>mysql</groupId> <artifactId>mysql-connector-java</artifactId> <scope>runtime</scope> </dependency> Spring JDBC dependency <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-data-jdbc</artifactId> </dependency> Mybatis starter dependency <dependency> <groupId>org.mybatis.spring.boot</groupId> <artifactId>mybatis-spring-boot-starter</artifactId> <version>2.1.3</version> </dependency> 2、 Add simple configuration in application.properties configuration file Connection pool configuration spring.datasource.url=jdbc:mysql://localhost:3306/dbgoods?serverTimezone=GMT%2B8&characterEncoding=utf8 spring.datasource.username=root […]

  • The seven brothers of okhttp interceptor from the perspective of network request process

    Time:2021-6-15

    preface Before we combined with the design pattern brieflyOkHttpToday I will continue to talk about its core part——Interceptor。 Because the chain composed of interceptors actually completes the whole process of network communication, we will talk about the functions of each interceptor from this perspective today. First of all, let’s do a brief reviewgetResponseWithInterceptorChainThe method begins. […]

  • Configuration of jsp servlet data source connection pool

    Time:2021-6-14

    1. Configure the context.xml file Copy codeThe code is as follows: <Resource Name = “JDBC / books” / / the reference name can be customizedAuth = “container” / / specify the manager that manages the datasourceType = “javax. SQL. Datasource” / / specify the package nameMaxactive = 100 / / maximum activityMaxidle = 30 / […]

  • PDO connection pool, redis connection pool and mysqli connection pool are used in spool

    Time:2021-6-13

    Connection pool instructions The implementation of all connection pools is based on the original connection pool of ConnectionPool; The underlying principle of connection pool is automatic scheduling based on channel; Developers need to guarantee that the returned connection is reusable; If the connection is not reusable, call$pool->put(null);Return an empty connection; After returning the empty connection, […]

  • MySQL chapter 04: JDBC

    Time:2021-6-12

    Core overview: in the actual development, we need to operate the database through Java program. At this time, Java provides us with the Standard Specification for Java to access the database, which is JDBC. We can operate the database by calling the methods in JDBC interface. Chapter 1: getting started with JDBC 1.1 – how […]

  • Several implementation cases of golang connection pool

    Time:2021-6-11

    Because of the three handshakes of TCP and other reasons, establishing a connection is a relatively high cost behavior. Therefore, in a program that needs to interact with a specific entity many times, it is necessary to maintain a connection pool, in which there are reusable connections for reuse. To maintain a connection pool, the […]

  • This is how shadowfax integrates laravel and spool

    Time:2021-6-10

    I recommended shadowfax as an expansion package. Now let’s talk about how shadowfax integrates laravel and spool. Why PHP is slow As we all know, PHP is an interpretive language, and the characteristic of interpretive language is that it compiles at runtime. When the PHP script is executed, Zend engine first parses and constructs the […]

  • Building and testing of mybatis environment

    Time:2021-6-8

    About mybatis 1. What is mybatis Mybatis is an excellent persistence layer framework, which supports customized SQL, stored procedures and advanced mapping. Mybatis avoids almost all JDBC code and manual setting of parameters and obtaining result sets. Developers only need to pay attention to SQL itself, and do not need to spend energy to deal […]

  • Jkdyaf – high performance API framework based on YAF + zoom

    Time:2021-6-5

    JKDYAF High performance API framework based on YAF + zoom Project structure Linux + Nginx + PHP7 + Mysql + Swoole + Redis + Yaf + Yac essential php 7.x mysql yaf yac swoole 5.4.x redis Why write this project? I started to use laravel to write interfaces, but as we all know, laravel framework […]

  • Personal learning series – spring boot uses redisgeo to realize location search function

    Time:2021-6-5

    Recently, when using tuanyou, I always thought that its function of sorting by distance was very good, so I tried to study it. 1. Create a new spring boot project 1.1 pom.xml Add redis dependency and Lombok dependency <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-data-redis</artifactId> </dependency> <dependency> <groupId>org.projectlombok</groupId> <artifactId>lombok</artifactId> <version>1.18.16</version> <scope>provided</scope> </dependency> 1.2 application.yml #Redis database index (default is […]

  • Spring boot integrates connection pool

    Time:2021-6-4

    Spring boot integrates connection pool In actual development, when an application interacts with a database, “getting a connection” or “releasing resources” are two very resource consuming processes. In order to solve such performance problems, we usually reuse connection objects by using connection pool technology, as shown in Figure 1.Figure 1In fact, Java provides a common […]

  • How to solve the problem of java socket connection pool caused by too many threads

    Time:2021-6-3

    This article mainly introduces how to solve the problem of socket connection pool caused by too many threads. The example code is introduced in great detail, which has a certain reference learning value for everyone’s study or work. Friends in need can refer to it Too many threads cause the socket connection pool to be […]