Home PHP Framework Workerman How to use Workerman to build a high-availability load balancing system

How to use Workerman to build a high-availability load balancing system

Nov 07, 2023 pm 01:16 PM
workerman load balancing High availability

How to use Workerman to build a high-availability load balancing system

How to use Workerman to build a high-availability load balancing system requires specific code examples

In the field of modern technology, with the rapid development of the Internet, more and more Websites and applications need to handle large numbers of concurrent requests. In order to achieve high availability and high performance, the load balancing system has become one of the essential components. This article will introduce how to use the PHP open source framework Workerman to build a high-availability load balancing system and provide specific code examples.

1. Introduction to Workerman

Workerman is an open source PHP asynchronous event-driven framework, written in pure PHP without the need to install any plug-ins and extensions. It has the advantages of high performance, high concurrency, and low resource consumption, and is often used to build PHP network applications. Workerman adopts an event-driven model, which is more efficient when handling a large number of concurrent requests than the traditional PHP synchronization model.

2. Basic principles of load balancing system

The load balancing system mainly consists of a load balancer and multiple service nodes. The load balancer is responsible for receiving client requests and evenly distributing the requests to various service nodes for processing according to certain policies. A service node is generally a group of servers with the same functions, responsible for processing specific business logic.

The basic principle of the load balancing system is as follows:

  1. The client sends a request to the load balancer.
  2. The load balancer selects a service node based on a certain strategy.
  3. The load balancer forwards client requests to the selected service node.
  4. The selected service node processes the request and returns the result to the client.

3. Use Workerman to implement a load balancing system

The following uses a specific example to demonstrate how to use Workerman to implement a simple load balancing system. Suppose we have two service nodes. After receiving the client request, the load balancer uses a random strategy to distribute the request to one of the two service nodes.

First, we need to install Workerman on the server. It can be installed through Composer. Open the command line window, switch to the project directory and execute the following command:

composer require workerman/workerman
Copy after login

Then, we create a file named balancer.php as a load balancer code. The code is as follows:

<?php
require_once __DIR__ . '/vendor/autoload.php';

use WorkermanWorker;
use WorkermanConnectionAsyncTcpConnection;

$worker = new Worker();

$worker->onConnect = function($connection) {
    // 定义服务节点列表
    $nodes = array(
        'http://node1.com',
        'http://node2.com'
    );
    // 随机选择一个服务节点
    $random_node = $nodes[array_rand($nodes)];
    
    // 创建与服务节点的异步连接
    $node_connection = new AsyncTcpConnection('tcp://' . $random_node);
    $node_connection->onMessage = function($connection, $data) use ($connection){
        // 将服务节点返回的结果返回给客户端
        $connection->send($data);
    };
    $node_connection->connect();
    
    // 将客户端的请求转发给服务节点
    $connection->onMessage = function($connection, $data) use ($node_connection) {
        $node_connection->send($data);
    };
};

Worker::runAll();
?>
Copy after login

Next, we create two files named node1.php and node2.php as the codes for the two service nodes. The code is as follows:
node1.php

<?php
require_once __DIR__ . '/vendor/autoload.php';

use WorkermanWorker;

$worker = new Worker('tcp://0.0.0.0:6001');
$worker->onMessage = function($connection, $data) {
    // 处理请求
    $response = 'Hello, World!';
    
    // 将处理结果返回给负载均衡器
    $connection->send($response);
};

Worker::runAll();
?>
Copy after login

node2.php

<?php
require_once __DIR__ . '/vendor/autoload.php';

use WorkermanWorker;

$worker = new Worker('tcp://0.0.0.0:6002');
$worker->onMessage = function($connection, $data) {
    // 处理请求
    $response = 'Hello, Workerman!';
    
    // 将处理结果返回给负载均衡器
    $connection->send($response);
};

Worker::runAll();
?>
Copy after login

Finally, we open the command line window and run respectively balancer.php, node1.php and node2.php. After running successfully, the load balancing system is completed.

4. Summary

This article demonstrates how to build a simple load balancing system by using the Workerman framework. Among them, the load balancer uses a random strategy to distribute the request to multiple service nodes after receiving the client request. In this way, system availability and performance can be improved. Of course, other strategies can also be used in actual applications, such as polling, weighted polling, minimum number of connections, etc., which can be selected according to specific needs.

The above is a detailed introduction and specific code examples of using Workerman to build a high-availability load balancing system. I hope this article is helpful to developers who are looking to solve load balancing problems. The simplicity and high performance of the Workerman framework make it an ideal choice for building load balancing systems.

The above is the detailed content of How to use Workerman to build a high-availability load balancing system. For more information, please follow other related articles on the PHP Chinese website!

Statement of this Website
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn

Hot AI Tools

Undresser.AI Undress

Undresser.AI Undress

AI-powered app for creating realistic nude photos

AI Clothes Remover

AI Clothes Remover

Online AI tool for removing clothes from photos.

Undress AI Tool

Undress AI Tool

Undress images for free

Clothoff.io

Clothoff.io

AI clothes remover

AI Hentai Generator

AI Hentai Generator

Generate AI Hentai for free.

Hot Article

R.E.P.O. Energy Crystals Explained and What They Do (Yellow Crystal)
2 weeks ago By 尊渡假赌尊渡假赌尊渡假赌
Repo: How To Revive Teammates
4 weeks ago By 尊渡假赌尊渡假赌尊渡假赌
Hello Kitty Island Adventure: How To Get Giant Seeds
4 weeks ago By 尊渡假赌尊渡假赌尊渡假赌

Hot Tools

Notepad++7.3.1

Notepad++7.3.1

Easy-to-use and free code editor

SublimeText3 Chinese version

SublimeText3 Chinese version

Chinese version, very easy to use

Zend Studio 13.0.1

Zend Studio 13.0.1

Powerful PHP integrated development environment

Dreamweaver CS6

Dreamweaver CS6

Visual web development tools

SublimeText3 Mac version

SublimeText3 Mac version

God-level code editing software (SublimeText3)

How to optimize TCP/IP performance and network performance of Linux systems How to optimize TCP/IP performance and network performance of Linux systems Nov 07, 2023 am 11:15 AM

In the field of modern computers, the TCP/IP protocol is the basis for network communication. As an open source operating system, Linux has become the preferred operating system used by many businesses and organizations. However, as network applications and services become more and more critical components of business, administrators often need to optimize network performance to ensure fast and reliable data transfer. This article will introduce how to improve the network transmission speed of Linux systems by optimizing TCP/IP performance and network performance of Linux systems. This article will discuss a

Implement file upload and download in Workerman documents Implement file upload and download in Workerman documents Nov 08, 2023 pm 06:02 PM

To implement file upload and download in Workerman documents, specific code examples are required. Introduction: Workerman is a high-performance PHP asynchronous network communication framework that is simple, efficient, and easy to use. In actual development, file uploading and downloading are common functional requirements. This article will introduce how to use the Workerman framework to implement file uploading and downloading, and give specific code examples. 1. File upload: File upload refers to the operation of transferring files on the local computer to the server. The following is used

Which one is better, swoole or workerman? Which one is better, swoole or workerman? Apr 09, 2024 pm 07:00 PM

Swoole and Workerman are both high-performance PHP server frameworks. Known for its asynchronous processing, excellent performance, and scalability, Swoole is suitable for projects that need to handle a large number of concurrent requests and high throughput. Workerman offers the flexibility of both asynchronous and synchronous modes, with an intuitive API that is better suited for ease of use and projects that handle lower concurrency volumes.

Application of load balancing strategy in Java framework performance optimization Application of load balancing strategy in Java framework performance optimization May 31, 2024 pm 08:02 PM

Load balancing strategies are crucial in Java frameworks for efficient distribution of requests. Depending on the concurrency situation, different strategies have different performance: Polling method: stable performance under low concurrency. Weighted polling method: The performance is similar to the polling method under low concurrency. Least number of connections method: best performance under high concurrency. Random method: simple but poor performance. Consistent Hashing: Balancing server load. Combined with practical cases, this article explains how to choose appropriate strategies based on performance data to significantly improve application performance.

Workerman development: How to implement real-time video calls based on UDP protocol Workerman development: How to implement real-time video calls based on UDP protocol Nov 08, 2023 am 08:03 AM

Workerman development: real-time video call based on UDP protocol Summary: This article will introduce how to use the Workerman framework to implement real-time video call function based on UDP protocol. We will have an in-depth understanding of the characteristics of the UDP protocol and show how to build a simple but complete real-time video call application through code examples. Introduction: In network communication, real-time video calling is a very important function. The traditional TCP protocol may have problems such as transmission delays when implementing high-real-time video calls. And UDP

How to implement the reverse proxy function in the Workerman document How to implement the reverse proxy function in the Workerman document Nov 08, 2023 pm 03:46 PM

How to implement the reverse proxy function in the Workerman document requires specific code examples. Introduction: Workerman is a high-performance PHP multi-process network communication framework that provides rich functions and powerful performance and is widely used in Web real-time communication and long connections. Service scenarios. Among them, Workerman also supports the reverse proxy function, which can realize load balancing and static resource caching when the server provides external services. This article will introduce how to use Workerman to implement the reverse proxy function.

How to implement the basic usage of Workerman documents How to implement the basic usage of Workerman documents Nov 08, 2023 am 11:46 AM

Introduction to how to implement the basic usage of Workerman documents: Workerman is a high-performance PHP development framework that can help developers easily build high-concurrency network applications. This article will introduce the basic usage of Workerman, including installation and configuration, creating services and listening ports, handling client requests, etc. And give corresponding code examples. 1. Install and configure Workerman. Enter the following command on the command line to install Workerman: c

How to implement the timer function in the Workerman document How to implement the timer function in the Workerman document Nov 08, 2023 pm 05:06 PM

How to implement the timer function in the Workerman document Workerman is a powerful PHP asynchronous network communication framework that provides a wealth of functions, including the timer function. Use timers to execute code within specified time intervals, which is very suitable for application scenarios such as scheduled tasks and polling. Next, I will introduce in detail how to implement the timer function in Workerman and provide specific code examples. Step 1: Install Workerman First, we need to install Worker

See all articles