EAV Migration

Composable Commerce Migration: From Magento Monolith to 21 Go Microservices

Answer-first: Decomposing a monolithic Magento deployment into 21 independent Go microservices reduces AWS infrastructure hosting costs from $200k/year to under $18k/year, eliminates EAV relational bottlenecks, and scales checkout throughput to 50,000+ RPS. This living playbook documents every architecture decision record (ADR), schema migration script, gRPC gateway pipeline, and zero-downtime Strangler Fig phase. 🎯 Series Overview & Problem Space Monolithic e-commerce engines like Magento 2 / Adobe Commerce impose severe operational, latency, and financial penalties on fast-growing retail enterprises: ...

Part 5: Migrating Magento EAV Schema to Clean Relational PostgreSQL

← Previous Chapter: Part 4: gRPC Internal + REST Gateway | Series Hub | Next Chapter: Part 6: Phase 1 — Strangler Fig → Answer-first: Migrating Magento’s Entity-Attribute-Value (EAV) tables (catalog_product_entity_*) to PostgreSQL eliminates 20+ SQL table joins per query. By separating static attributes (SKU, price, status) into typed relational columns and dynamic custom attributes into binary JSONB columns with GIN indexing, catalog read queries drop from 450ms to 1.2ms. 1. The Magento EAV Nightmare: Why It Collapses Under Load In Magento 2, fetching a single product requires joining across half a dozen type-specific tables: ...