General questions about ClickHouse

• What is ClickHouse?
• Why is ClickHouse so fast?
• Who is using ClickHouse?
• What does "ClickHouse" mean?
• What does "Не тормозит" mean?
• What is OLAP?
• What is a columnar database?
• How do I choose a primary key?
• Why not use something like MapReduce?
• How do I contribute code to ClickHouse?

Don't see what you're looking for?

Check out our Knowledge Base and also browse the many helpful articles found here in the documentation.