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Discussion on: Database 101: How social media “likes” are stored in a database

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Michael J. Ryan

Depends on your needs and the volume necessary

You can look at the likes of stack overflow as a website that scaled massively just with Microsoft SQL Server.

You could also use Redis with persistence if you don't mind a secondary data source or have different scaling needs.

Every 10x of users past the first 10k or so will mean differing approaches. At 1m or so you start needing something more like ScyllaDB.