Cloud Architecture

Spot Instances with On-Demand Fallback

Cloud Architecture diagram · made in Skemio

Architecture diagram of an Auto Scaling Group managing a baseline of On-Demand instances alongside diversified Spot instances that drain upon interruption.
Architecture diagram of an Auto Scaling Group managing a baseline of On-Demand instances alongside diversified Spot instances that drain upon interruption.
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What it shows

  • Mixed Instances Policy diversifies Spot across multiple instance types.
  • Capacity Rebalancing catches termination notices 2 minutes in advance.
  • Base layer of On-Demand protects critical baseline availability.

The takeaway

Combine instance diversification, automated rebalancing, and On-Demand baselines to safely use Spot in production.

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