How do you find the location of someone visiting your site? And, how do you do it fast? If you've ever been curious about how analytics services can place your site visitors on a map, or about how to analyze and improve a slow running query, then this talk is for you! In this session, you'll learn about IP address networking, fundamental database operations, and query performance tuning. We'll develop a geolocation system from the ground up, and make sure it's running lightning fast along the way. _____________________________________________________________ Cloud 66 - Deploy your Rails code directly from your repo to any cloud in minutes. Cloud 66 offers the convenience of Heroku, but on any cloud and in any region, with persistent storage, custom network configuration, zero downtime deployments, blue/green and canary releases, WAF, and more. Get $100 Cloud 66 Free Credits with the code: RailsConf2022 ($100 Cloud 66 Free Credits, for the new user only, valid till 31st December 2022) Cloud 66: https://cloud66.com/frameworks/rails?utm_source=e&utm_medium=d&utm_campaign=ytRailsConf-22