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Comment on Updating a 50 terabyte PostgreSQL database (2018)parent

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it's more than big enough to cause big problems / risk days of downtime to change, yea. 50GB is not big. 50TB is at least touching big - you can do it on one physical machine if needed, but it's the sort of scale that benefits from bigger-system architecture. 50PB would be world-class big, hitting exciting new problems every time they do something.

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