Amazon EKS Provisioned Control Plane

This diagram illustrates the architecture of Amazon EKS Provisioned Control Plane, highlighting its components and interactions:

Overview

Amazon EKS Provisioned Control Plane allows cluster administrators to pre-allocate control plane capacity, ensuring high and predictable performance. It operates alongside the default Standard mode, which dynamically scales based on workload demands.

Key Features

• Scaling Tiers:

  • Available in XL, 2XL, and 4XL sizes.

  • Defined by API request concurrency, pod scheduling rate, and cluster database size.

• Use Cases:

  • Performance-critical workloads requiring minimal latency.

  • Massively scalable workloads like AI training and high-performance computing.

  • Anticipated high-demand events.

  • Environment consistency across staging, production, and disaster recovery.

Control Plane Modes

• Standard Mode:

  • Automatically scales based on workload.

  • Recommended for most applications due to cost efficiency.

• Provisioned Mode:

  • Pre-allocated capacity for consistent performance.

  • Suitable for workloads intolerant of scaling variability.

Monitoring and Management

• Utilization Metrics:

  • Available via Amazon CloudWatch and Prometheus.

  • Key metrics include API request concurrency, pod scheduling rate, and database size.

• Tier Management:

  • Requires explicit opt-in.

  • No automatic scaling between tiers; manual adjustments can be made.

Considerations

• Cost:

  • Additional hourly charges for Provisioned mode.

  • Pricing varies by tier and region.

• Database Limitations:

  • Standard mode supports up to 8 GB of etcd storage.

  • Transition back to Standard mode requires reducing database size below this threshold.

• Performance Optimization:

  • Adherence to Kubernetes best practices is essential for achieving expected performance levels.

This architecture and summary provide a comprehensive understanding of Amazon EKS Provisioned Control Plane, its benefits, and considerations for implementation.