When a Web API in .NET needs to handle large-scale data, it must do so in a way that ensures performance, scalability, and efficiency. There are several techniques that a .NET server can implement to manage large datasets while keeping the system responsive and avoiding issues like memory overload or slow response times.

Monitoring application performance in .NET is essential to ensure that your system is running efficiently and to quickly identify and resolve performance issues. Various tools and techniques are available to track performance, including built-in .NET capabilities, third-party services, and custom logging approaches.