2026 World Cup: Breaking Records, Spiky Charts and Reliability at Scale
How Meta absorbed the 2026 World Cup, when WhatsApp set a record of more than 30 million messages per second during the final. Pre-provisioned capacity buffers were the most effective lever, alongside country-level shedding of non-critical load, load-testing and resizing 100+ services, forecasting each region's peak separately, and no deploy freeze.
- Published
- 2026-10-15
- Scale
- 30 million+ WhatsApp messages/sec, 8.4 billion messages in 5 minutes, 49 million messages/min (Messenger, Threads, Instagram Direct)
- Techniques
- capacity planning load testing load shedding load balancing
- Stack
- Taiji Katran Proxygen
Try this stack yourself
- Better Stack · Monitor uptime and logs with Better Stack, and get alerted fast if a migration or traffic spike goes sideways on your own system.
Better Stack isn't part of Meta's setup in this story. It's a tool for watching your own systems while you try ideas like these.
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