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    This article isn’t super technical but I had trouble finding a better one.

    A key quote:

    For instance, Google said, AlloyDB is four times faster than standard PostgreSQL when it comes to commercial-grade transactional workloads, and two times faster than the AWS Aurora database service it will also compete against. That’s possible thanks to multiple layers of caching that are automatically tiered based on workload patterns, Gutmans explained.

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      Just what I want to hear—more and more caching.