What is the mysterious '40ms error' on Netflix and how was it resolved?

The article discusses the role of a partner engineer at Netflix, detailing experiences and challenges associated with this position. The author shares their daily responsibilities, focusing on the task of improving the performance of systems that support Netflix’s core engine. Particularly, the article outlines a situation where engineers needed to minimize latency by an additional 40 ms, which was crucial for user experience. In this context, various techniques and tools were employed to identify bottlenecks and optimize system performance. The author emphasizes the importance of collaboration with other teams and continuous learning in a fast-paced technological environment that characterizes the streaming industry. The article concludes with reflections on how essential it is to adapt to changing user needs and expectations, which are vital for Netflix’s success as a market leader.