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I actually recently added a feature to search for the cheapest spot instance price across a number of different regions. Right now for example the cheapest price for the instance type used c5.4xlarge is ~$0.15/hour in us-east-2. This equates to a full AOSP build with Chromium build included (~5.25 hours) costing $0.80 and without Chromium (~1.75 hours) costing $0.30

discuss

voltagex_|7 years ago

How do you handle spot instances being shut down mid-build? Can you recover any built artifacts before the system goes down? IIRC you get a 2 minute warning.

danvittegleo|7 years ago

Right now if a spot instance terminates mid-build it doesn't attempt to save any progress. I do have an open item to at least alert users that this has happened though (https://github.com/dan-v/rattlesnakeos-stack/issues/41). Although if Chromium is built it will checkpoint that by saving the built artifact to S3 and would then skip the Chromium build next time. I've found it's much cheaper to do full builds on AWS each time rather than trying to store the source tree for AOSP and Chromium as they are just so large.

snaky|7 years ago

That's amazing the Chromium is almost 3 times longer to build than AOSP.