You can do block request for one hour or more of guaranteed run time, but you pay for that guaranteed minimum run time. Otherwise you have to build in checkpoin

You can do block request for one hour or more of guaranteed run time, but you pay for that guaranteed minimum run time. Otherwise you have to build in checkpointing and recovery. http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/spot-requests.html#fixed-duration-spot-instances http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/spot-requ...