Showing posts with the label Kubernetes Networking

Fix NGINX Ingress 502 Bad Gateway During Kubernetes Deployments

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You trigger a rolling update in your Kubernetes cluster, expecting a seamless transition, but your monitoring dashboard immediately lights up with 502 Bad Gateway errors. This frustrating issue typ…
Fix NGINX Ingress 502 Bad Gateway During Kubernetes Deployments

How to Reduce Istio Service Mesh Latency with Sidecar Resources

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If you are running a large-scale Kubernetes cluster, you have likely noticed that adding Istio introduces a "tax" on your networking. While the features of a service mesh—like mutual TLS, …
How to Reduce Istio Service Mesh Latency with Sidecar Resources

Fixing 5s DNS Lookup Timeouts in Kubernetes CoreDNS

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Few things are more frustrating for a DevOps engineer than intermittent network latency that appears and disappears without a clear pattern. In high-traffic Kubernetes clusters, you might notice yo…
Fixing 5s DNS Lookup Timeouts in Kubernetes CoreDNS

Reduce AWS NAT Gateway Costs in Multi-AZ EKS Architecture

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High AWS bills often stem from a single, silent culprit: the NAT Gateway. In a multi-AZ Amazon EKS (Elastic Kubernetes Service) environment, data processing fees and cross-Availability Zone (AZ) tra…
Reduce AWS NAT Gateway Costs in Multi-AZ EKS Architecture
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