Effective Use of ClickHouse
summary
Covers practical experience using the open-source columnar database ClickHouse in production, naming ClickHouse as the technology. Describes common usage mistakes that harm performance and explains, with real-world examples, how different data schema and processing choices can change query performance by orders of magnitude.
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chapters (8)
- 0:00Introduction
- 1:34Small insert problems
- 12:27Data typing and performance
- 27:24Long string storage optimization
- 32:50ClickHouse anti-patterns
- 40:56Load management and quotas
- 46:15Updates and data refresh
- 51:57Q&A
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