Patching and Updates at Scale Questions

Addresses strategies and operational practices for deploying patches and updates across large, heterogeneous infrastructure. Topics include orchestration and scheduling of batched or rolling updates, canary deployments and progressive rollouts, minimizing downtime through rolling and blue green approaches, dependency and configuration management across services, handling failed updates and automated rollback, coordination across regions and availability zones, monitoring and health checks during rollouts, capacity planning for update windows, and use of orchestration tools and platforms to achieve consistency and scale.