Didi Tech
Feb 18, 2020 · Backend Development
Didi Ride‑Sharing Dispatch Engine: Architecture, Challenges, and Stability Measures for Carpool Day
During Didi’s 2019 Carpool Day promotion, a surge of up to 6.6‑times normal matching traffic forced a redesign of its dispatch engine, introducing near‑time assignment, filtered logic moves, configurable timeouts, extensive stress testing, monitoring, and rapid on‑call procedures that cut downstream pressure by over half.
Capacity Planningcarpooldispatch engine
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