Severalnines Blog

Building a Modern Analytics Stack Around ClickHouse

July 1, 2026 Sebastian Insausti
Historically, relational databases did double duty. The same PostgreSQL / MySQL instance that handled your application's writes also answered your business questions. A well-indexed schema, a few GROUP BY reports, done. And that works, right up until it doesn't: the reports get slower, the dashboards start eating the same I/O...

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