Introduction to Duckdb Under The Hood Module 04 Memory And The Buffer Pool
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Duckdb Under The Hood Module 04 Memory And The Buffer Pool Comprehensive Overview
Andy Pavlo (https://www.cs.cmu.edu/~pavlo/) Slides: https://15445.courses.cs.cmu.edu/fall2025/slides/ Before execution, DuckDB
EXPLAIN shows estimates. EXPLAIN ANALYZE shows what actually ran — rows processed, time spent, operator by operator.
Summary & Highlights for Duckdb Under The Hood Module 04 Memory And The Buffer Pool
- DuckDB
- Each row group stores the min and max of every column. When a WHERE clause can be compared against those bounds, ...
- Sorting is expensive — but
- A single analytical query scans one column out of 16 and finishes in milliseconds. This
- DuckDB's
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