The lock mechanism is an integral part of any modern system. In software applications, locks are used to ensure that multiple users do not simultaneously access and modify the same resource.
More features, active users, and data are collected daily. Your database is slowing your application. Many people don't understand database sharding, which could solve their difficulties. This article explains database sharding, its benefits, including how to use it and when not to.
As we scale systems, it's essential to realize the impact of all the components in our systems and how they interact. For example, load balancers usually come into play once we scale beyond one server being able to serve requests reliably.