Improved design: queues per channel
Play this lessonThis lesson comes with an interactive animation you can break and a chapter quiz.Fixes: pull the database and cache out into their own servers, run many notification servers that scale out automatically, and add message queues to decouple the components.
The rest of this lesson is part of Pro
Pro unlocks every lesson with its animation, code challenge and quiz, plus every interview problem. ₹299 a month or ₹1,999 a year.
See Pro