摘要：CREATED 2021年12月19日 21:22 blacklist系统设计讨论 https://www.1point3acres.com/bbs/thread-829894-1-1.html Read heavy write less system. IPv4: 4 bits * 8 = 32 阅读全文

摘要：Video Recommendation - Machine Learning System Design Requirements Maximize users' engagement and recommend new types of content to users. Metrics Off 阅读全文

摘要：A/B Testing https://engineering.linkedin.com/blog/2015/11/top-five-lessons-from-running-a-b-tests-on-the-world-s-largest-p https://aws.amazon.com/blog 阅读全文

摘要：CREATED 2021年12月03日22:12:04 System Design - Twitter Functional requirements Post tweet (including text, image, video) / Delete Get Timeline / Newsfeed 阅读全文

摘要：CREATED 2021-12-03 21:26:05 System Design - Yelp or Proximity Service Functional requirements Given a location, a user can search all the nearby place 阅读全文