# Queues in Laravel

What are Queues in Laravel?

Laravel queues allow deferring processes like sending emails and file uploads. They are used for resource-intensive tasks. Queues increase application speed by completing these processes in the background, improving user experience.

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## Origin

Laravel introduced queues to handle asynchronous processes better. They reduce load during user-facing operations and improve response time.

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## Why Are Queues Used?

1. **Improves Performance**: Offloading time-consuming tasks to background workers keeps the app responsive.
2. **Improves Scalability**: Workloads are distributed among numerous workers, allowing applications to accommodate increased traffic.
3. **Supports Multiple Backends**: Integrates smoothly with a variety of queue drivers, including databases, Redis, and Amazon SQS.

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## Best Practices.

1. **Monitor Queues**: Use tools like Laravel Horizon to track and manage queue performance in real time.
2. **Use Retry Logic**: To ensure reliability, set up retry attempts for unsuccessful jobs.
3. **Optimize Workers**: Change worker parameters to maximize efficiency and avoid wasting resources.

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## Example in Action

Create a job:

```bash
php artisan make:job ProcessOrder
```

In the job class:

```php
namespace App\Jobs;

use Illuminate\Bus\Queueable;
use Illuminate\Contracts\Queue\ShouldQueue;

class ProcessOrder implements ShouldQueue
{
    use Queueable;

    public function handle()
    {
        // Task logic
    }
}
```

Dispatch the job:

```php
ProcessOrder::dispatch($order);
```

Start a queue worker:

```bash
php artisan queue:work
```

Read this definition in a browser: https://ranetrace.com/glossary/queues-in-laravel