ByteByteGo

ByteByteGo is a YouTube channel managed by Alex Xu and Sahn Lam, covering topics and trends in large-scale system design. The channel states it is from the authors of the best-selling System Design Interview book series. Recent videos explain system design concepts like Kafka, Redis, HTTP vs HTTPS, JVM workings, and how to design systems like web crawlers, chat applications, and rate limiters.

The channel also addresses AI engineering topics, including how to test AI-generated code, how OpenAI built its data agent, and how to run LLMs locally. It provides educational content on technical comparisons such as CPU vs GPU vs TPU and explanations of data architectures like data lakehouses.