Laravel Octane 01: Unlocking Supersonic Speed: An Introduction to Swoole

Today

As a Full Stack Developer, I'm constantly searching for ways to build faster, more efficient, and more scalable web applications. In the Laravel world, one of the most exciting advancements in recent years has been the introduction of Laravel Octane. It promises to supercharge your application's performance, taking it to supersonic speeds.

But what exactly is Octane, and how does it achieve this? Is it just another package, or does it represent a fundamental shift in how we think about building Laravel apps?

This article is the first in a series aimed at making advanced performance techniques accessible, especially for junior developers. We'll explore Laravel Octane with the Swoole extension, focusing on practical, step-by-step guidance. Let's dive in!

What is Laravel Octane?

At its core, Laravel Octane is a first-party package that boosts your application's performance by changing how it's served. It achieves this by using high-performance application servers like Swoole and RoadRunner.

To understand the magic behind Octane, let's use an analogy: a restaurant kitchen.

This boot-once, serve-many model is the key to Octane's speed. By keeping your application alive in memory, Octane drastically reduces the overhead of handling each new request. The benefits are significant: a much faster user experience, quicker content delivery, and even potential cost savings on server upgrades because you're getting more performance out of your existing infrastructure.

Beyond Traditional PHP: The Role of Application Servers

The shift Octane introduces is from a classic web server setup to an application server model. In a typical PHP-FPM setup, the web server (like Nginx) passes a request to a PHP process, which boots the framework, handles the request, sends a response, and then dies. Every request starts with a clean slate.

Application servers like Swoole and RoadRunner work differently. They launch your Laravel application and keep it running in memory across multiple worker processes. When a request comes in, it's handed off to one of these pre-warmed workers, which can process it immediately without the cold-start overhead. This allows for a persistent application context where data and objects can be shared across the workers, enabling advanced features not typically available in classic PHP.

Why Swoole? (and not RoadRunner)

Laravel Octane supports three primary application servers: FrankenPHP, RoadRunner and Swoole.

This series will focus on Swoole because it allows us to explore some truly transformative capabilities

By choosing Swoole, we're setting the stage to learn not just how to make our apps faster, but how to architect them in entirely new and more powerful ways.

The Stateful Paradigm: What Junior Devs Need to Know

This is the most important mental shift when moving to Octane. Traditional PHP is stateless—every variable, object, and piece of data is reset between requests. Octane makes your Laravel application stateful, meaning objects and static variables can persist in memory across multiple requests handled by the same worker.

This is the source of Octane's incredible performance, but it also introduces new responsibilities. The safety net of the stateless world is gone. If you're not careful, you can introduce bugs that are tricky to diagnose, most commonly memory leaks or data leaks.

The Danger Zone: Common Stateful Pitfalls

  1. Static Properties: In a normal Laravel app, a static property on a class is reset with every request. With Octane, it lives as long as the worker process. If you append data to a static array on every request, that array will grow indefinitely, consuming memory until the worker crashes. Worse, if you store user-specific data in a static property, it could leak to the next user whose request is handled by that same worker.
<?php
 
// DANGER: This static array will grow with every request, causing a memory leak.
class LeakyService
{
    public static $data =;
 
    public function addData($newData)
    {
        // This array will persist and grow across requests on the same worker.
        self::$data = $newData;
    }
}
  1. Singleton Abuse: Injecting request-specific objects (like the Request or Auth instance) into the constructor of a singleton service is a common mistake. A singleton is created only once per worker, so it will forever hold onto the data from the very first request it encountered. The correct approach is to pass the request object into the service's
    methods where it's needed, or resolve it from the container inside the method.

Don't let this scare you! The key is awareness. Octane provides tools to manage this, and a crucial best practice is to use the --max-requests flag when running the server. This tells Octane to gracefully restart each worker after it has handled a certain number of requests, which is a powerful way to prevent slow memory leaks from destabilizing your application.

What's Next?

We've covered the what and why of Laravel Octane. We now understand that it's not just a performance boost but a shift to a more powerful, stateful application architecture powered by servers like Swoole.

In the next article, we'll get our hands dirty and walk through setting up a high-performance local development environment for Octane and Swoole using Laravel Sail. Stay tuned!

Works cited

  1. octane/README.md at 2.x · laravel/octane - GitHub, accessed July 13, 2025, https://github.com/laravel/octane/blob/2.x/README.md
  2. What Is Laravel Octane? - How It Works & Benchmarks - Redberry International, accessed July 13, 2025, https://redberry.international/what-is-octane-in-laravel-things-to-know/
  3. Laravel Octane vs. PHP-FPM: A Deep Dive into Modern PHP Performance, accessed July 13, 2025, https://dev.to/arasosman/laravel-octane-vs-php-fpm-a-deep-dive-into-modern-php-performance-4lf7
  4. High Performance with Laravel Octane - Roberto Butti, accessed July 13, 2025, https://subscription.packtpub.com
  5. Leveraging Laravel Octane for Application Scale in 2024 - Prismetric, accessed July 13, 2025, https://www.prismetric.com/laravel-octane/
  6. Supercharge Your Laravel App: A Deep Dive into Laravel Octane | by Abu Sayed - Medium, accessed July 13, 2025, https://abu-sayed.medium.com/supercharge-your-laravel-app-a-deep-dive-into-laravel-octane-d8d767eb738c
  7. PHP Development 101: All You Need to Know | BEON.tech Blog, accessed July 13, 2025, https://beon.tech/blog/php-development-101-from-the-traditional-php-to-modern-php-web-services
  8. Laravel Octane – What It Is, Why It Matters & Getting Started - RunCloud, accessed July 13, 2025, https://runcloud.io/blog/laravel-octane
  9. A Quick Guide on using Laravel Octane to Scale Your App - Bacancy Technology, accessed July 13, 2025, https://www.bacancytechnology.com/blog/laravel-octane
  10. Is Laravel Octane worth the risk? Limitations you must know before it's too late, accessed July 13, 2025, https://devkeytech.medium.com/is-laravel-octane-worth-the-risk-limitations-you-must-know-before-its-too-late-2bfa93ddbfc6
  11. A compiled list of Laravel Octane best practices for your team to follow. - GitHub, accessed July 13, 2025, https://github.com/michael-rubel/laravel-octane-best-practices
  12. Mastering Dependency Injection in Laravel: Modern PHP Practices for Scalable Applications, accessed July 13, 2025, https://medium.com/@vishalhari01/mastering-dependency-injection-in-laravel-modern-php-practices-for-scalable-applications-59945be39f4f

Frequently Asked Questions

What exactly is Laravel Octane and how is it different from regular Laravel?

Laravel Octane is a first-party package that supercharges your Laravel application's performance by changing how it's served. Unlike traditional Laravel that boots the entire framework for every request (like a chef preparing everything from scratch), Octane keeps your application running in memory and serves requests through pre-warmed workers. This eliminates the repetitive bootstrapping overhead and can improve response times by 2-10x.

Is Laravel Octane safe to use in production?

Yes, Laravel Octane is production-ready and used by many high-traffic applications. However, it requires understanding the stateful nature of the application. Unlike traditional PHP where everything resets between requests, Octane keeps data in memory across requests. This means you need to be careful about memory leaks and data leaks. Using the --max-requests flag helps mitigate these risks by restarting workers periodically.

Why choose Swoole over RoadRunner or FrankenPHP?

While RoadRunner and FrankenPHP are excellent and easier to install, Swoole unlocks advanced features that the others don't offer: concurrent task execution, interval ticks for background jobs, high-speed in-memory caching (2M+ ops/sec), and shared storage across workers. Swoole is written in C and integrates deeply with PHP, enabling truly transformative capabilities for your applications.

What kind of performance improvements can I expect with Octane?

Typical improvements range from 2-10x faster response times. For example, a request that takes 200-500ms with traditional PHP-FPM might drop to 20-50ms with Octane. The exact improvement depends on your application's complexity, but even simple applications see significant gains due to eliminated bootstrap overhead. Database-heavy applications often see the most dramatic improvements.

What are the main risks of using Laravel Octane?

The primary risks come from the stateful nature: memory leaks (static properties growing indefinitely), data leaks (user data persisting across requests), and singleton abuse (injecting request-specific data into singleton constructors). However, these are preventable with proper coding practices and using Octane's built-in safeguards like worker recycling.

Do I need to rewrite my existing Laravel application to use Octane?

Most Laravel applications can run on Octane with minimal changes. The main considerations are reviewing static properties, global variables, and singleton services that might hold onto request-specific data. Laravel's architecture is generally Octane-friendly, but you'll need to audit and potentially refactor code that assumes a stateless environment.

What's the difference between workers and processes in Octane?

Workers are long-running PHP processes that handle multiple HTTP requests. Unlike traditional PHP-FPM where each request creates a new process that dies after responding, Octane workers stay alive and reuse the same process. This persistence is what eliminates bootstrap overhead but also requires careful memory management.

Can I use Octane for small applications or is it only for high-traffic sites?

Octane benefits applications of all sizes. Even small applications see noticeable performance improvements and better user experience. The development overhead is minimal once you understand the stateful concepts, and the performance gains often justify the learning curve. Plus, your application will be ready to scale when traffic grows.