Tech Hardware5,000 units allocated
NVIDIA GeForce RTX 5090 32GB FE
Massive throughput surge scenario comparing DB conditional locking vs. Redis Lua pre-deduction under 5,000 TPS.
₫12,000,000 ₫52,000,000
Flash-Sale Concurrency EngineSpring Boot 3.3 · Redis Cluster · MySQL · Kafka
Prove stock correctness under extreme load.
Interactive concurrency lab comparing atomic Redis Lua pre-deduction, transactional outbox dual-writes, and scheduled self-healing reconciliation. Prevent overselling and observe zero drift in real-time.
Global Mega Concert Drop
BlackPink World Tour 2026 — VIP Soundcheck
Stock Pool
1,000 VIP seats
Contention
Extreme (100k Surge)
Flash Price
₫900,000
Fixture ID 4 · District 1 Arena (National Stadium) · Ho Chi Minh City
Live X-Ray ProbeZero Oversell Guarantee
0 oversold in safe runs via atomic Redis Lua & DB fencing.
Sub-Millisecond Gate
Rejects 95%+ excess requests in <1ms without touching DB.
Self-Healing Consistency
Zero drift after dual-fault compensation & 30s reconciler.
Multi-Category Scenarios
High-Contention Scenario Fixtures
Streetwear50 pairs only
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.
₫4,200,000 ₫18,500,000
Holiday Transport100 berths
Tết Peak Train SE1 — VIP 4-Berth Sleeper
Two-Phase Reservation demo with 120s hold countdown, background sweeper expiration, and double-spend race protection.
₫280,000 ₫1,400,000