Comment by smt88

5 hours ago

One assumes they mean 100,000s (plural) concurrent users actively building carts

Is that still a lot? Feels like a single 64-core, 256GB RDS instance with some caching should handle that fine. RDS has instances up to 192-core and 768GB.

  • Keep in mind they’re doing real-time logistics and messaging, as well as type-ahead search and managing ads and promotions