How we built a real-time in-game currency service with 7.5M transactions per minute
▻https://hackernoon.com/how-we-built-a-real-time-in-game-currency-service-with-7-5m-transactions
For us techies at Loco, there is nothing more exciting than to work on the cutting edge solutions, use new products, and solve problems that don’t have a solution on StackOverflow. Recently, we came across one such problem and discovered one such technology to solve it.We designed our new, high performance, transactional currency service around #tarantool, a high-performance #database. It served as our SSOT (single source of truth) database to ship a new feature.Why did we even think of Tarantool?We had to build an in-game currency transaction system which requires a minimum of 150K concurrent users to get coins real-time. The users should be able to use the coins as soon as they get it. For us, ‘real-time’ means ~300ms. For all our users, all 150K concurrent users.One way of solving this is (...)