Flash-Sale Lab
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Customer journey

Reserve with a live system view

Ultra-hot key contention on 50 pairs where 10,000 bots collide, testing row-lock contention and admission gate shedding.

Demo session only; no login or real authentication is used.

No reservation

Travis Scott x Air Jordan 1 Low 'Velvet'

May 18, 2026 · Sneakerhead Flagship Box · ₫4,200,000

Available

—

Reserved

—

Confirmed

—

Waiting for live inventory from the API

System X-Ray

Only states observed from the reservation API are shown.

  1. Durable state

    Waiting for API state

  2. Outcome

    Pending

  3. Operation

    Waiting for API state

  4. Order

    Not created

Try another outcome

Use these controls to exercise replay, expiry, sold-out and admission paths against the live API.

6
Distributed Architecture Pipeline· Observing: POST /api/v1/reservations
Engineering evidence: legacy order probe
LimitedTicket ID 12

Travis Scott x Air Jordan 1 Low 'Velvet'

Ultra-hot key contention on 50 pairs where 10,000 bots collide, testing row-lock contention and admission gate shedding.

When
May 18, 2026 | 19:00
Where
Sneakerhead Flagship Box | Da Nang

Flash price

₫4,200,000

Regular ₫18,500,000

n/a available50 pairs only
Initial stock
n/a
Prepared
Needs warmup
Sale window
n/a

Order probe

Submit one controlled order request and observe how the selected strategy changes stock.

Advanced lab settings

Restores Redis stock when DB/order write fails.

6
Distributed Architecture Pipeline· Observing: POST /orders (REDIS_LUA_WITH_COMPENSATION)

Controlled system evidence

Open the benchmark and consistency tools when the customer journey needs an operator-level view.

BenchmarkConsistencyControl desk