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"DynamoDB uses synchronous replication across multiple data centers for high durability and availability"

This does not seem scalable for OLTP type load on some busy store. Again I think you'll be way better of money wise hosting your own database on real hardware either on prem or colocated



DynamoDB is used by Amazon.com.

"Across the 48 hours of Prime Day, these sources made 7.11 trillion calls to the DynamoDB API, peaking at 45.4 million requests per second." [1]

[1] https://aws.amazon.com/blogs/aws/amazon-prime-day-2019-power...


You're forgetting specifics here and the amount of hardware resources thrown into it. I've already told that I am not discussing here FB/Google/Amazon scale stuff. It is their problem and not shared by more regular deployments


TIL: A day has 48 hours at Amazon.


The same day across multiple time zones could take 48 hours


Of course Amazon would call that an Elastic Sundial.




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