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Lessons (10)

• Brokers, Replication & Durability

  … Kafka places replicas in different racks or availability zones, so losing a whole zone doesn't lose a …

• Capacity Planning, SLOs and Error Budgets

  Turn vague scale requirements into traffic, latency, availability and cost decisions that a team can operate. The problem …

• Scaling, Load Balancing & Rate Limiting

  … Production deployments usually make the balancer highly available across zones. Use health checks, multiple balancer nodes or a …

• Design a Ride-Sharing Service

  Match riders and drivers with a geo index, safely lease availability, and treat location as a fast-changing …

• Kubernetes Cluster Architecture, Simply

  … Should copies be spread across different servers or zones? If no node has enough room, the pod stays …

• VPC Networking Without the Confusion

  … A subnet is a smaller section of that network, placed in one Availability Zone. mermaid flowchart LR I …

• Resilience, Disaster Recovery and Multi-Region Design

  … Crash, bad deploy Auto Scaling, health checks, rollback Availability Zone Power or network loss in one data centre …

• AWS: Start Here

  … geographic area, such as ap-southeast-1 (Singapore) Availability Zone (AZ) A separate data centre area inside one …

• Containers at Scale: ECS Deep Dive and EKS

  … inspect scheduling events, resource requests, node capacity, availability-zone constraints, and available subnet addresses. Requests guide placement; limits …

• Domains, Load Balancers and HTTPS

  … ALB as a receptionist forwarding you to an available cashier, and TLS as protection for the conversation between …