12Your agent workflow takes 30 seconds. Design the streaming UX, including what happens when it fails mid-stream.▼mediumVercelOpenAISierra1 replies○ sign inPerceived latency is a design surface, not an infrastructure detail. Covers progressive disclosure, SSE vs WebSockets, resumability, and the mid-stream failure question most candidates have never thought about.Open full answer →
04What is a dead-letter queue, and how do you handle a poison message in production?▼easyRetoolMicrosoftDatabricks2 repliesunlockedOne malformed message can silently wedge an entire pipeline, and it happens at every customer eventually. The DLQ answer interviewers want covers what most candidates forget: what happens *after* the message lands there.Open full answer →