Course Introduction：The MySQL connection limit is derived from server resource limits, not absolute obstacles. The solution is to optimize resources and use connection pools. 1. The connection pool pre-create connections, provide and reuse, and reduce creation and closing overhead; 2. The connection pool includes components such as connection creator, management module, acquirer and releaser, and efficiently manage connection status; 3. Pay attention to connection leakage issues, monitor connection pool status, and select appropriate connection pool library and parameter configurations, such as the minimum/maximum number of connections and timeout time, and finally build an efficient and stable database access system.

2025-04-08 comment 0  854

Course Introduction：Troubleshooting "Connection Failed: SQLSTATE[HY000] [2002] Connection Refused" ErrorWhen encountering the error "Connection failed:...

2024-12-15 comment 0  386

Course Introduction：Troubleshooting PHP Connection Failed: Connection Refused ErrorWhen encountering the "Connection failed: SQLSTATE[HY000] [2002] Connection...

2024-12-07 comment 0  1166

Course Introduction：PHP Connection Failure: "Connection refused"When attempting to establish a PHP connection to a MySQL database hosted on phpMyAdmin using MAMP,...

2024-12-15 comment 0  515

Course Introduction：JDBC Connection Failed: Troubleshooting TCP/IP Connection IssuesWhile attempting to establish a JDBC connection to a SQL Server 2012 database, you...

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Course Elementary  3845

Course Introduction：If you have any questions, please send us a message via WeChat: Le-studyg; This course aims to deeply explore how to use the Swoole extension to operate the database connection pool in the Laravel framework. The course will start with basic concepts, introduce the basic principles and usage of Swoole, and then focus on how to integrate with the Laravel framework. Students will learn how to configure and manage database connection pools to improve the performance and concurrency of database operations. The course will also cover actual case studies and best practices to help students better understand and apply this technology. Whether you are a Laravel developer or a developer interested in Swoole connection pool operation database, this course will open new doors for you to learn and practice.

Course Elementary  13797

Course Introduction：Scala Tutorial Scala is a multi-paradigm programming language, designed to integrate various features of object-oriented programming and functional programming.

Course Elementary  82322

Course Introduction："CSS Online Manual" is the official CSS online reference manual. This CSS online development manual contains various CSS properties, definitions, usage methods, example operations, etc. It is an indispensable online query manual for WEB programming learners and developers! CSS: Cascading Style Sheets (English full name: Cascading Style Sheets) is an application used to express HTML (Standard Universal Markup Language).

Course Elementary  13158

Course Introduction：SVG is a markup language for vector graphics in HTML5. It maintains powerful drawing capabilities and at the same time has a very high-end interface to operate graphics by directly operating Dom nodes. This "SVG Tutorial" is intended to allow students to master the SVG language and some of its corresponding APIs, combined with the knowledge of 2D drawing, so that students can render and control complex graphics on the page.

Course Elementary  24606

Course Introduction：In the "AngularJS Chinese Reference Manual", AngularJS extends HTML with new attributes and expressions. AngularJS can build a single page application (SPAs: Single Page Applications). AngularJS is very easy to learn.