EBS volumes (Amazon's equivalent to a SAN as a Service) have different performance characteristics before and after their first reads and writes. The read side variability is particularly strong on the first read of volumes that were restored from a snapshot. This makes a lot of sense when you realize that the snapshots are stored in S3 behind the scenes, and are lazy-loaded on first read.
Google's on a mission. They're rolling out high-speed residential connections with Google Fiber, they're attacking data and roaming fees with a MVNO, and they're even working on world-wide balloon powered Internet. So what's the mission? Is it to make the world a better place? to transform themselves into a telecom company? to indulge the whims of out of control product and engineering teams