Serverless

Fixing AWS S3 Event Notifications That Silently Stop Triggering Lambdas

Amazon S3 event notifications are a cornerstone of serverless architectures, but they can occasionally stop invoking AWS Lambda functions without obvious errors. Learn the common causes, troubleshooting steps, and best practices for diagnosing and preventing silent failures.

Aug 15, 2026 6m read 👁 2

PlanetScale vs Upstash for Rate Limiting at Scale: Latency, Cost, and Limits Tested

Rate limiting sounds simple until your application starts handling thousands of requests per second across multiple regions. This article compares PlanetScale and Upstash as backing stores for rate limiting systems, examining latency, cost, scalability, operational complexity, and real-world limit

Jun 23, 2026 5m read 👁 17