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How did John Mosquera ensure 99.99% uptime for large-scale Kubernetes clusters in a high-traffic environment?
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John was tasked with managing Kubernetes clusters (AKS and EKS) that experienced scalability issues and inconsistent performance during peak traffic. To achieve 99.99% uptime, he implemented Horizontal Pod Autoscalers (HPA) and Cluster Autoscaler to dynamically adjust resources, fine-tuned load balancers for even traffic distribution, and introduced proactive monitoring using Datadog. He also developed disaster recovery mechanisms, including cross-region replication and regular chaos engineering exercises, to handle potential failures. These measures collectively ensured seamless performance. John Mosquera ensured 99.99% uptime by implementing advanced scaling strategies, proactive monitoring, and robust disaster recovery mechanisms, delivering a highly resilient infrastructure.