ReferenceEras
Era 3 · Series ASeries A
What happens when a whole zone fails?
Traffic#
Video, chat and checkout. Zones, autoscaling and an error budget.
- Page view22%
- API read25%
- API write10%
- Login3%
- Search8%
- Upload3%
- Bot8%
- Video10%
- Realtime8%
- Checkout3%
Raising the next round#
Reach 150k users to raise Series B. The round pays $1.50M and costs 13% of the Company. Then the Series B Era starts.
What arrives#
- Components
- Payment Provider, Autoscaler, Kubernetes Cluster
- Research
- Cache warming, Elixir, Rust, Zig, Haskell, Phoenix, Checkout, Tiered caching, Multiple zones, Autoscaling, Container orchestration, SLO dashboards, Error budgets, Circuit breakers, Priority load shedding, Idempotency keys, Read-your-writes routing, Go GC tuning, Axum, Actix Web, Synchronous replication, Restore drills, Dependency scanning
- Incidents
- Payment provider outage, Zone outage, Replication lag, GC pause storm, Retry storm, Double charge, Forced cluster upgrade
- Features
- Video, Chat, Checkout, Notifications center, Mobile app
- Exits
- Acqui-hire