45Going deeper on canary and blue-green: how do you actually shift traffic and decide to ramp?▼hardNetflixAmazonUber1 replies◆ premiumSaying 'route 5% to the canary' is the easy part. What matters is how you split traffic deterministically, gather enough signal to decide, and ramp on evidence rather than vibes. Here is the mechanics layer.Open full answer →
56You need to move a live feature to a different model or provider. How do you cut over without a quality regression?▼hardOpenAIAnthropicDatabricks◆ premiumA provider swap does not fail with a 500. It fails by staying up and quietly getting worse. The signal is knowing what actually changes under you on a model swap, and the shadow-plus-staged-ramp protocol that catches it before your users do.Open full answer →
