Understanding AWS Spot Instances

September 3 2015 | by Jonathan Nimrodi

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Although Amazon’s EC2 Spot Instances have been available for a number of years, not everyone in the cloud industry understands how to maximize the benefits and cope with the challenges that come with using them; AWS Spot Instances offer money saving opportunities but might not be accessible when you need them, making them somewhat temperamental and not necessarily suitable for every customer.

In order to get the most out of EC2 Spot Instances, it’s important to understand how Spot Instance pricing works. Spot Instances exist in a “pool” so if a customer on a higher-priced on-demand or reserved capacity plan requires an instance, Amazon will take it from the pool for this higher paying customer, leaving a lower paying client in a somewhat unstable position.

This post, originally published on cloudcomputing-news.net, gives a more detailed look at 3 use cases for Spot Instances and explains how this type of “unreliable” resource can be used to help effectiveness without putting your system at risk.

Read the full post here.

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