Facebook’s BitTorrent deployment system
Interesting facts about Facebooks code:
- 1 binary
- 1.5GB in size
- PHP into heavily optimized C++ code
- Rollout takes ~ 30min
- minor updates every single business day
- Deployment doesn’t need scheduled downtime or cause any other disruption to the website
All the details
http://arstechnica.com/business/2012/04/exclusive-a-behind-the-scenes-look-at-facebook-release-engineering/
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