I built a rate limiter that survives process restarts — no Redis required

📰 Dev.to · nexora

Learn how to build a rate limiter in Python that survives process restarts without relying on Redis, and why this approach matters for scalable and reliable services

intermediate Published 11 Jun 2026
Action Steps
  1. Implement a rate limiter using a Python library like token-bucket or leaky-bucket
  2. Store the rate limiter state in a persistent storage like a database or a file
  3. Configure the rate limiter to reload its state after a process restart
  4. Test the rate limiter with a high volume of requests to ensure it survives process restarts
  5. Apply the rate limiter to a Python service to prevent abuse and denial-of-service attacks
Who Needs to Know This

Developers and DevOps engineers on a team can benefit from this approach as it provides a scalable and reliable way to implement rate limiting without adding extra dependencies

Key Insight

💡 You can build a reliable rate limiter in Python without relying on Redis by using a persistent storage to store the rate limiter state

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🚀 Build a rate limiter in Python that survives process restarts without Redis! 💡

Key Takeaways

Learn how to build a rate limiter in Python that survives process restarts without relying on Redis, and why this approach matters for scalable and reliable services

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