Per second, with a one minute minimum [1]. [1] https://cloudplatform.googleblog.com/2017/09/extending-per-second-billing-in-google.html https://cloudplatform.g

Per second, with a one minute minimum [1]. [1] https://cloudplatform.googleblog.com/2017/09/extending-per-second-billing-in-google.html https://cloudplatform.googleblog.com/2017/09/extending-per-s...