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Spot Pricing
Save Up to 92% on your Amazon EC2 Bill with Spot Instances
What is Spot?
Name your own price for EC2 Compute• A market where price of compute changes based upon Supply and
Demand• When Bid Price exceeds Spot Market Price, instance is launched• Instance is terminated if market price exceeds bid price
Spot Is Not One Market
Prices can, but often don’t fluctuate wildly
Spot Price By:• Each instance family• Each instance size• Each availability zone• In every region
Each is a separate Spot Market
Bid Price and Market Pricec3.8xlarge – 32 vCPUs / 60 GiB
OnDemand: $2.117 per HourSpot: $0.3248 per Hour
Spot Pricing Tips
Tip 1: Instance flexibility is key!
Tip 2: Bid the on-demand price
EC2 Best Practices
• Stateless• Fault Tolerance
• Multi AZ• Loosely Coupled• Instance Flexibility
All of the above will give good spot suitability!