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Testributor workers on AWS spot-or-not instances

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A couple of days ago a user asked us if it would be possible to spawn workers using AWS spot instances. We found this idea very interesting. Combined with some always-on workers, spot instances could give a cheap but important speed boost to the tests.

We tried it and we liked it. Here are the steps if you want to try it yourself.

Create a worker on an EC2 instance

Our final goal is to create and AMI which we can use to spawn new instances.

We will assume you already...
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