Three Ways to Set Up CDC from Postgres to ClickHouse
You cannot run analytical queries on the same Postgres primary that serves your application without paying for it in CPU and connections. A read repli…
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Replicate MySQL to ClickHouse with Sling
Introduction ClickHouse is a columnar OLAP database. It runs aggregate queries across billions of rows in seconds. MySQL is what most apps run on for …
Why Real-Time Analytics Eventually Changes Your Database Architecture
A lot of systems begin with a single database. Usually PostgreSQL. And honestly, in the beginning, that works perfectly fine. The application stores: …
Four LLM Engines, One ClickHouse Cluster: An Agentic AI Architecture
We are building an agentic AI analytics platform for a crypto exchange where internal teams — Trading Ops, Risk, Compliance, Finance, Treasury, Produc…
ClickHouse JOINs Aren't Slow Anymore (You're Reading 2020's Docs)
ClickHouse JOIN performance was rebuilt between 2022 and 2026. The "avoid JOINs in ClickHouse" advice from 2020 is still circulating: "ClickHouse can'…
Why PostgreSQL and ClickHouse Work So Well Together
A lot of people compare PostgreSQL and ClickHouse like they are competing databases. They really are not. In fact, modern data systems often use both …