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Ingress Nginx Crashes - Chaos in Kubernetes Traffic Routing

Source: aws.plainenglish.io

The Ingress Nginx controller suddenly stopped working, breaking all external access to apps in a Kubernetes cluster.
A flood of 400,000 error log entries per second overwhelmed the system and crashed the main process.
Restarting with better logging limits and resource tweaks brought traffic routing back online fast.

A team's Kubernetes setup on AWS suddenly lost all external traffic routing when their Ingress Nginx controller died. This tool acts like a smart traffic cop for web apps inside the cluster, directing visitor requests to the right places. It matters because without it, customer-facing services go dark, costing real money and trust.