AI Briefing11st Unveils THOR, a Presentation Data Platform That Updates 350 Million Product Records Near-Real-Time
·2026.11.12 00:00
Key point
It processes over 1 billion messages per day to provide product information optimized for presentation screens.
Details
- THOR, developed by 11st's Presentation Service Development Team, is a MongoDB-based presentation data platform that updates information for approximately 350 million live products near-real-time.
- It processes over 1 billion messages per day, with the presentation API server achieving 87.9K TPS during the peak of the Grand 11.11 event.
- It receives source database changes via Change Data Capture (CDC) and reduces message ordering overhead using a Zero Payload approach to improve processing efficiency.
- It stores one product as a single document to enable queries without joins, and supports high availability and horizontal scaling with 13 shards and replica sets.
- It evenly distributes writes using product number hash sharding and distributes load using a secondaryPreferred read policy.
- It leverages document structure flexibility to add fields without table changes and reduces product server calls by approximately 46% through image information loading.
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