Real-Time Video Metadata Invalidation With Postgres LISTEN and NOTIFY

📰 Dev.to · ahmet gedik

Learn how to implement real-time video metadata invalidation using Postgres LISTEN and NOTIFY, and improve your database's performance and scalability

intermediate Published 12 Jun 2026
Action Steps
  1. Create a Postgres trigger to listen for changes to video metadata
  2. Use the NOTIFY command to send notifications to a listening process when changes occur
  3. Implement a Go listener to receive notifications and update the metadata cache
  4. Configure idempotence to ensure that notifications are processed only once
  5. Test the implementation to ensure real-time metadata invalidation
Who Needs to Know This

Backend developers and database administrators can benefit from this technique to improve the efficiency of their database operations and reduce latency

Key Insight

💡 Postgres LISTEN and NOTIFY can be used to implement real-time metadata invalidation, reducing latency and improving database performance

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🚀 Improve your database's performance with real-time video metadata invalidation using Postgres LISTEN and NOTIFY! 💻

Key Takeaways

Learn how to implement real-time video metadata invalidation using Postgres LISTEN and NOTIFY, and improve your database's performance and scalability

Full Article

How DailyWatch uses Postgres LISTEN/NOTIFY with a commit-bound trigger, a Go listener, and idempoten
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