How Does Query Composition Impact Warehouse Processing?

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How Does Query Composition Impact Warehouse Processing?

Alejandro Penzini Answered question December 19, 2023
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Query Processing and Warehouse Size:

Resource demand: Compute requirements for queries depend on their size and complexity.
Scaling: Generally, queries scale linearly with warehouse size, especially complex ones.

Key factors:
Table size: Overall size outweighs the number of rows.
Filtering: Predicates affect processing, as does the number of joins/tables.
Optimization tip: Execute similar queries (size, complexity, data) on the same warehouse. Mixed workload diversity complicates load analysis and optimal size selection.

Alejandro Penzini Answered question December 19, 2023

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