Throttling
Throttling is a software design pattern and performance optimization technique that limits the rate at which a function or operation can be executed, typically by enforcing a minimum time interval between successive calls. It is commonly used to control resource usage, prevent system overload, and manage API request rates in distributed systems. This helps ensure stability, fairness, and compliance with service-level agreements (SLAs) by smoothing out bursts of activity.
Developers should learn and use throttling when building applications that handle high volumes of requests, such as web APIs, real-time systems, or user interfaces, to avoid performance degradation, denial-of-service (DoS) scenarios, or exceeding rate limits imposed by third-party services. It is essential in scenarios like API rate limiting, event handling in UI frameworks (e.g., scroll or resize events), and managing database queries to prevent resource exhaustion and maintain responsive, reliable systems.