Even if you're testing 1% of 5 million visitors, you still need to handle the load for 5 million visitors. Most of the heavy experiments came from AI-driven ass

Even if you're testing 1% of 5 million visitors, you still need to handle the load for 5 million visitors. Most of the heavy experiments came from AI-driven assignments (vs. behavioral). In this case the AI would generate very fine-grained buckets and assign users into them as needed.