AWS Service: Amazon EC2 Spot Instances
Question: What are Amazon EC2 Spot Instances and how do they differ from other instance types?
Answer:
Amazon EC2 Spot Instances are a purchasing option for Amazon EC2 instances, which allows users to bid on unused Amazon EC2 instances capacity. Spot Instances can be purchased at a lower price compared to On-Demand or Reserved Instances, but their availability is not guaranteed and they can be interrupted by AWS with a two-minute warning when the Spot price goes above the user’s bid price. Spot Instances can be terminated at any time if the Spot price exceeds the bid price or if AWS needs the capacity for On-Demand or Reserved Instances.
Spot Instances are ideal for workloads that are flexible in terms of start and stop times or can handle interruptions, such as batch processing, CI/CD, and HPC workloads. Spot Instances can help users save up to 90% of the On-Demand price for Amazon EC2 instances.
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