Your Node.js AWS SDK v3 App Will Crash in Production Without This maxSockets Fix

Nov 7, 2025 · 5 min read · Everything was fine until it wasn’t. Our Node.js app, powered by AWS SDK v3, started freezing during peak traffic. Requests to S3 and DynamoDB hung indefinitely, ECS tasks began restarting, and the logs were a blur of ETIMEDOUT and Socket hang up err...