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PHP-FPM

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PHP-FPM vs Swoole: What are the differences?

Introduction:

In web development, PHP-FPM and Swoole are both popular and widely used technologies. While they both serve a similar purpose and are used to enhance the performance of PHP applications, there are some key differences between the two. This Markdown code presents a concise and structured comparison between PHP-FPM and Swoole.

  1. Underlying Architecture: One major difference between PHP-FPM and Swoole lies in their underlying architecture. PHP-FPM is built as a traditional FastCGI Process Manager, which means it relies on a separate process manager to communicate with PHP processes. On the other hand, Swoole is built as an asynchronous PHP runtime, operating within a single process and utilizing event-driven programming.

  2. Concurrency Model: Another key difference is in their concurrency model. PHP-FPM has a multi-process model where it assigns each incoming request to a separate worker process. This model allows handling multiple requests simultaneously but results in higher memory consumption. In contrast, Swoole utilizes a single-process, coroutine-based model which enables handling a large number of concurrent connections with minimal resource usage.

  3. Event-Driven Programming: Swoole includes a powerful event loop that allows developers to build high-performance applications leveraging asynchronous I/O operations. This enables Swoole to efficiently handle events such as database queries, file operations, and network requests without blocking other processes. PHP-FPM, being built on traditional process management, lacks this inherent event-driven capability.

  4. Web Server Functionality: While PHP-FPM primarily acts as a FastCGI process manager, Swoole provides a built-in web server functionality. Swoole's web server eliminates the need for additional web server software, making it easier to deploy and manage PHP applications without relying on external dependencies.

  5. Support for Protocols: PHP-FPM supports the FastCGI protocol, which is the standard for PHP processing in most web server configurations. Swoole, on the other hand, supports various protocols including HTTP, WebSocket, TCP, and UDP. This flexibility allows developers to build not only web applications but also real-time communication systems and other networked services.

  6. Performance and Scalability: Both PHP-FPM and Swoole aim to improve the performance of PHP applications. However, Swoole's event-driven model and single-process architecture generally provide better performance and scalability compared to PHP-FPM. Swoole's ability to handle a large number of concurrent connections and its efficient resource utilization make it suitable for high-performance applications.

In Summary, PHP-FPM and Swoole differ in their underlying architecture, concurrency models, event-driven capabilities, built-in web server functionality, protocol support, and performance/scalability.

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Pros of PHP-FPM
Pros of Swoole
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    • 7
      Async programming
    • 6
      Really multi thread
    • 5
      Blazing fast
    • 3
      Simple to use
    • 3
      Coroutines concurrency model
    • 3
      High-performance http, websocket, tcp, udp server

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    What is PHP-FPM?

    It is an alternative PHP FastCGI implementation with some additional features useful for sites of any size, especially busier sites. It includes Adaptive process spawning, Advanced process management with graceful stop/start, Emergency restart in case of accidental opcode cache destruction etc.

    What is Swoole?

    It is an open source high-performance network framework using an event-driven, asynchronous, non-blocking I/O model which makes it scalable and efficient.

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      What are some alternatives to PHP-FPM and Swoole?
      HHVM (HipHop Virtual Machine)
      HHVM uses a just-in-time (JIT) compilation approach to achieve superior performance while maintaining the flexibility that PHP developers are accustomed to. To date, HHVM (and its predecessor HPHPc before it) has realized over a 9x increase in web request throughput and over a 5x reduction in memory consumption for Facebook compared with the PHP 5.2 engine + APC.
      PHP
      Fast, flexible and pragmatic, PHP powers everything from your blog to the most popular websites in the world.
      NGINX
      nginx [engine x] is an HTTP and reverse proxy server, as well as a mail proxy server, written by Igor Sysoev. According to Netcraft nginx served or proxied 30.46% of the top million busiest sites in Jan 2018.
      uWSGI
      The uWSGI project aims at developing a full stack for building hosting services.
      Sidekiq
      Sidekiq uses threads to handle many jobs at the same time in the same process. It does not require Rails but will integrate tightly with Rails 3/4 to make background processing dead simple.
      See all alternatives