Explore the intricacies of optimizing λ and GraphQL response times in this 28-minute conference talk from JSConf US 2018. Dive into the concept of living in memory and discover practical strategies to achieve lightning-fast 70ms response times. Learn about crucial components such as functions, APIs, databases, and the innovative Nemesis DB. Gain insights into GraphQL server architecture, resolvers, and data loaders. Examine the role of Lambda deploy tools and Redis in enhancing performance. Acquire valuable knowledge to streamline your development process and create highly responsive applications.