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Nice! We're at 9TB... I agree that 20M is small enough that I'm not concerned about performance at all.

Could you provide some details, like MySQL version, IOPS and read/write performance?

What types of data with over two billion rows?

It's related to user activity, along the lines of products a user views. The other large tables in the billions of rows are about analyzing how products are performing on other websites over time, helping to determine past and current trends for businesses.

We have two tables at nearly 2 billion rows for line items on invoices (we aggregate data for a substantial portion of a major industry). We have ~20 tables that are over 100 million rows but less than 1 billion. Looks like another ~20 tables over 20 million.

To get this info on your own mysql db: `select * from information_schema.TABLES;`. As previously disclaimed, the TABLE_ROWS here are an estimate generally, see https://dev.mysql.com/doc/mysql-infoschema-excerpt/5.7/en/in...

(same in MySQL 8; we use both 5.7 and 8)