If you've only had a spot instance pre-empted from you once then you haven't used them very much. We have a very elastic workload that can scale up to a few hun

If you've only had a spot instance pre-empted from you once then you haven't used them very much. We have a very elastic workload that can scale up to a few hundred spot instances and it's not uncommon to see tens of them yanked out from under us at once.