Micronaut 4 application on AWS Lambda- Part 4 Reducing Lambda cold starts with SnapStart and API Gateway request event priming

📰 Dev.to · Vadym Kazulkin

Reduce AWS Lambda cold starts in Micronaut 4 apps using SnapStart and API Gateway request event priming

intermediate Published 2 Oct 2025
Action Steps
  1. Configure SnapStart for your Micronaut 4 application on AWS Lambda
  2. Implement API Gateway request event priming to reduce cold starts
  3. Test and monitor the performance of your application after applying these optimizations
  4. Compare the results with and without SnapStart and API Gateway request event priming
  5. Apply these optimizations to other parts of your application to further reduce cold starts
Who Needs to Know This

Backend developers and DevOps engineers can benefit from this tutorial to optimize their Micronaut 4 applications on AWS Lambda

Key Insight

💡 SnapStart and API Gateway request event priming can significantly reduce Lambda cold starts in Micronaut 4 applications

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💡 Reduce AWS Lambda cold starts in Micronaut 4 apps with SnapStart and API Gateway request event priming!

Key Takeaways

Reduce AWS Lambda cold starts in Micronaut 4 apps using SnapStart and API Gateway request event priming

Full Article

Introduction In part 1 of our series about how to develop, run, and optimize a Micronaut...
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