When latency spikes,
everyone looks at CPU.
Very few check DNS.
Here’s what happens in real production clusters:
• High service-to-service calls
• Each call does DNS resolution
• CoreDNS under-provisioned
• ndots setting causes repeated lookups
• DNS retries multiply latency
Suddenly:
A 20ms call becomes 200ms.
But no CPU spike.
No memory pressure.
Just slow performance.
Symptoms:
🔸 Random latency spikes
🔸 Increased retransmits
🔸 Slow microservice chains
🔸 Intermittent timeouts
Most DevOps teams scale pods.
Few scale DNS.
If you’re running microservices at scale,
DNS becomes part of your performance path.
Have you load tested your CoreDNS?
Book a demo today at https://lnkd.in/dytfT3kk
Experience KubeHA today: www.KubeHA.com
KubeHA’s introduction, https://lnkd.in/gjK5QD3i
#DevOps #sre #monitoring #observability #remediation #Automation #kubeha #IncidentResponse #AlertRecovery #prometheus #opentelemetry #grafana, #loki #tempo #trivy #slack #Efficiency #ITOps #SaaS #ContinuousImprovement #Kubernetes #TechInnovation #StreamlineOperations #ReducedDowntime #Reliability #ScriptingFreedom #MultiPlatform #SystemAvailability #srexperts23 #sredevops #DevOpsAutomation #EfficientOps #OptimizePerformance #Logs #Metrics #Traces #ZeroCode