We're building shadow execution for taxonomy queries in Storefront. The goal: run both MySQL and Query Engine (QE) paths for sampled requests, compare results at the domain level (e.g., TaxonomyCategoryDrop), and emit observability signals -- without affecting the response.

DualPathHelper.choose_path currently decides the path based on a feature flag:

def choose_path(shop:)

This analysis examines ~195,000 successful ProductSet mutations from December 2024 to understand how different input parameters correlate with execution time. The goal is to inform dynamic complexity scoring for GraphQL rate limiting.

• Total mutations analyzed: 194,940
• Time period: December 1-31, 2024

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