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Aggregation and Group By Optimization
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Classroom Contents
ClickHouse Performance Master Class - Tools and Techniques to Speed Up Any ClickHouse App
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- 1 Introduction
- 2 Overview of ClickHouse
- 3 Understanding Performance Issues
- 4 Tools for Query Optimization
- 5 Finding Slow Queries
- 6 I/O: Key Metric for Performance
- 7 Using Indexes and EXPLAIN statements
- 8 Fixing Full Scan
- 9 Efficient Data Reading Strategies
- 10 Aggregation and Group By Optimization
- 11 JOIN Optimization Techniques
- 12 Distributed Query Optimization
- 13 New Query Analyzer in ClickHouse 24.3
- 14 RAM and Cache Management
- 15 Optimization for Concurrency
- 16 Additional Resources and Closing Remarks
