Courses

Queues in Laravel 12

Idempotent Jobs: Double-Check Everything to Avoid Failure

You're reading a FREE PREVIEW of a PREMIUM course.
Summary of this lesson:
- Creating idempotent jobs that produce the same result when run multiple times
- Handling partial job execution failures (when some operations succeed before failure)
- Checking conditions before performing actions to prevent duplicate operations
- Passing IDs instead of entire models to make jobs more resilient when data changes

When working with Laravel queues, you'll inevitably encounter scenarios where jobs take a long time to complete. In this lesson, we'll examine the challenges of long-running jobs, potential issues that can arise, and best practices for handling them effectively.


Understanding Long-Running Jobs

Long-running jobs are queue jobs that take many seconds or even minutes to complete. These could include operations like:

  • Generating reports for thousands of users
  • Processing large batches of data
  • Creating multiple files or documents
  • Performing complex calculations

These jobs present unique challenges, particularly with timeouts and error handling.


The Problem with Long-Running Jobs

Let's examine a practical example: generating monthly invoice PDFs for all customers. This could be thousands of documents that need to be created once per month.

Here's an implementation using...

The full lesson is only for Premium Members.
Want to access all 15 lessons of this course? (46 min read)

You also get:

  • 76 courses
  • Premium tutorials
  • Access to repositories
  • Private Discord