How to prevent overlapping job execution in Laravel queues?

To prevent overlapping job execution in Laravel queues, you can use the withoutOverlapping() method provided by Laravel. Here are the steps to implement this:

  1. Open the app/Console/Kernel.php file.

  2. You will see the $schedule property which contains the scheduled tasks. Locate the specific job you want to prevent overlapping execution for.

  3. Chain the withoutOverlapping() method to the job to prevent it from overlapping. For example, if you have a job named ProcessOrders, the code might look like this:

protected function schedule(Schedule $schedule) { $schedule->command('ProcessOrders')->withoutOverlapping(); }
  1. Save the changes and exit the file.

By using the withoutOverlapping() method, Laravel will create and check for a lock file before starting the job. If the lock file exists, it means the job is already running, and Laravel will prevent the new job from executing until the previous one has completed.

Note: The lock file is automatically cleaned up by Laravel once the job completes, or if it exceeds the timeout value specified in the configuration (default is 1440 minutes).