Open Design Google DocDesign Google Doc+2Hard·Real-time Updates·WebSocketAmazon, Expedia, Google, Meta plus 2 more companies
Open Design Web CrawlerDesign Web Crawler+1Hard·Message Queue(Amazon SQS)·Rate Limiting·Cache(Redis)Amazon, Atlassian, Expedia, Google plus 1 more companies
Open Design TicketmasterDesign Ticketmaster+2Hard·Scaling Reads·Real-time Updates·Virtual Waiting Queue·Elasticsearch·Optimistic Concurrency Control (OCC)Amazon, Apple, Google, Meta plus 2 more companies
Open Design Youtube Live CommentDesign Youtube Live CommentMedium·Redis Pub/Sub·CDN·Cursor Pagination·Server Send Events(SSE)·Real-time Updates·Scaling ReadsFigma, Google, Meta, Oracle
