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That's analytics data, not file storage. If they have 34PB of analytics, they certainly have far more than that of blob storage.

Definitely much more of user data storage. More about that https://dropbox.tech/infrastructure/inside-the-magic-pocket.

Happy to take other questions.

Did you consider building a S3 API in front of Magic Pocket so it could also serve as your analytics storage?

Or is your compute so bursty that it's more beneficial to be in the cloud on EC2 than to host on prem compute in front of Magic Pocket?

I thought they were almost entirely on prem for the actual storage