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Scenario #51
Cluster Management
K8s v1.20, AWS EKS
High Latency Due to Inefficient Ingress Controller Configuration
Ingress controller configuration caused high network latency due to inefficient routing rules.
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What Happened
Ingress controller was handling a large number of routes inefficiently, resulting in significant network latency and slow response times for external traffic.
Diagnosis Steps
- 1Analyzed ingress controller logs for routing delays.
- 2Checked ingress resources and discovered unnecessary complex path-based routing rules.
Root Cause
Inefficient ingress routing rules and too many path-based routes led to slower packet processing.
Fix/Workaround
• Simplified ingress resource definitions and optimized routing rules.
• Restarted ingress controller to apply changes.Lessons Learned
Optimizing ingress routing rules is critical for performance, especially in high-traffic environments.
How to Avoid
- 1Regularly review and optimize ingress resources.
- 2Use a more efficient ingress controller (e.g., NGINX Ingress Controller) for high-volume environments.