AWS Outage Explained with root cause in simple words [8iQvIHjmFaH]
Career Guidance + Resume Reviews www.youtube.com/abhishekveeramalla/join On October 20, 2025, AWS experienced a major outage that disrupted applications worldwide. But here’s the twist the biggest impact was on Amazon DynamoDB, while other AWS services like S3 and EC2 stayed mostly unaffected. In this video, I’ll break down exactly why: - What AWS’s internal health monitoring system actually does - How DynamoDB’s routing is tightly coupled to that monitoring layer - Why DNS failed for DynamoDB but not for other services - How a localized health authority failure can take down a critical service 🧠 What you’ll learn: - How AWS health monitors work behind the scenes - Why DynamoDB is more sensitive to control plane failures - How AWS structures SLAs to limit payouts - The difference between direct vs. indirect SLA breaches - Real architecture lessons on resilience and blast radius control Free Course on the channel ============================== - Free DevOps Playlist: - AWS Zero to Hero Playlist: - Azure Zero to Hero Playlist: - Terraform Zero to Hero Playlist: - Python for DevOps Playlist: About me: ======== Instagram: Telegram Channel : LinkedIn: GitHub: Medium: Disclaimer: Unauthorized copying, reproduction, or distribution of this video content, in whole or in part, is strictly prohibited. Any attempt to upload, share, or use this content for commercial or non-commercial purposes without explicit permission from the owner will be subject to legal action. All rights reserved.