Search and Read Models

Build fast query experiences with indexes, denormalization, and asynchronous projections.

30 min

3 sections

read-models

elasticsearch

01. Search is a separate product surface

Section 1 of 3

Search engines are not just databases with text indexes. They need ranking, filters, analyzers, typo tolerance, access control, freshness guarantees, and operational reindexing plans.

json

Marketplace search document:
{
  "listingId": "lst_123",
  "sellerId": "seller_9",
  "title": "Noise cancelling headphones",
  "category": "electronics",
  "price": 19900,
  "currency": "USD",
  "inventoryStatus": "IN_STOCK",
  "allowedRegions": ["US", "CA"],
  "updatedAt": "2026-07-05T14:00:00Z"
}

Partitioning and Sharding

Real-Time Systems

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