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WonderTravel: when two-phase commit met Black Friday

Name: WonderTravel: when two-phase commit met Black Friday
Uploaded: 2026-10-26T10:47:05.000Z
Duration: 11 min 54 s
Channel: Himanshu Kukreja
Description: How WonderTravel's one-click flight, hotel and car booking, built on two-phase commit, locked thousands of bookings when its coordinator crashed and split a booking in a network partition, and how a saga of local commits, compensating actions and idempotent retries replaced it.

How WonderTravel's one-click flight, hotel and car booking, built on two-phase commit, locked thousands of bookings when its coordinator crashed and split a booking in a network partition, and how a saga of local commits, compensating actions and idempotent retries replaced it.

Read the case file: The Great Travel Booking Disaster: How 2PC Nearly Killed Our Business and Saga Pattern Saved It

01 · Black Friday, 12:01

CASE-001 · The Great Travel Booking Disaster: How 2PC Nearly Killed Our Business and Saga Pattern Saved It

Book everything. In one click. Atomically.

Flight, hotel, car: all or nothing

Meet Alex Chen, CTO of WonderTravel, an online travel platform with a big promise: seamless one-click holidays.