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title:
  - value: 'Queuing long-running tasks'
created:
  - value: '2024-07-17T00:00:00+00:00'
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  - value: '2025-05-11T09:00:10+00:00'
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body:
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      <p>Do you have long-running or performance-heavy tasks in your application?</p>

      <p>What about performing complex actions when a user completes a task, such as submitting a form?</p>

      <p>What if the action took several seconds or minutes to complete?</p>

      <p>The user would assume their submission failed and may either leave or submit the form again and cause duplicate submissions.</p>

      <p>Instead, maybe use a queue.</p>

      <p>When the user submits the form, all you need to do is create a queue item for that submission and let the form submit as normal.</p>

      <p>In the background, the queue items will be processed when they can take more time or memory to perform the tasks and without blocking the user - giving them a better experience.</p>

      <p>Drupal supports queues by default, storing queue items in its database.</p>

      <p>For an example, see the <a href="https://www.drupal.org/project/private_message_queue">Private Message Queue module</a> on Drupal.org.</p>

      <p>I wrote it for a client project to use queues when sending private messages to event attendees, which could be hundreds per event.</p>

      <p>Without a queue, the request would have taken a long time to complete, or likely timed out.</p>

              
    format: full_html
    processed: |
      <p>Do you have long-running or performance-heavy tasks in your application?</p>

      <p>What about performing complex actions when a user completes a task, such as submitting a form?</p>

      <p>What if the action took several seconds or minutes to complete?</p>

      <p>The user would assume their submission failed and may either leave or submit the form again and cause duplicate submissions.</p>

      <p>Instead, maybe use a queue.</p>

      <p>When the user submits the form, all you need to do is create a queue item for that submission and let the form submit as normal.</p>

      <p>In the background, the queue items will be processed when they can take more time or memory to perform the tasks and without blocking the user - giving them a better experience.</p>

      <p>Drupal supports queues by default, storing queue items in its database.</p>

      <p>For an example, see the <a href="https://www.drupal.org/project/private_message_queue">Private Message Queue module</a> on Drupal.org.</p>

      <p>I wrote it for a client project to use queues when sending private messages to event attendees, which could be hundreds per event.</p>

      <p>Without a queue, the request would have taken a long time to complete, or likely timed out.</p>

              
    summary: null
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