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Algoritmi Solutions

Events · 10 weeks

Ticketing that held through a sell-out in four minutes

The previous platform crashed twice on launch day. We rebuilt ticketing with a queue and offline check-in.

Full sell-out with no errors
4 minFull sell-out with no errors
Double-booked seats
0Double-booked seats
Historical peak handled in testing
3xHistorical peak handled in testing
Check-ins completed offline at the door
100%Check-ins completed offline at the door

The challenge

Every release, thousands of buyers arrived in the same sixty seconds. The old system degraded, buyers refreshed, and the load doubled.

What we did

  1. 1Introduced a fair virtual waiting room with position feedback
  2. 2Moved inventory reservation into a single atomic operation
  3. 3Cached everything above the fold at the edge
  4. 4Built QR check-in that works without a connection and syncs later
  5. 5Load tested at 3x the largest historical launch

More work

All case studies

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