Grokking Scalable Systems for Interviews
Ask Author
Back to course home

0% completed

Vote For New Content
What is Little’s Law and How to Use It for Quick Capacity Estimates in System Design

Little’s Law is a simple queueing theory formula that states a system’s average number of items in progress equals the average arrival rate multiplied by the average time each item spends in the system.

This fundamental relationship, discovered by John Little in the 1960s, provides a powerful way to analyze queues and performance in both everyday scenarios and computer systems.

In essence, it links three key metrics – throughput, time, and concurrency – with a surprisingly straightforward equation.

.....

.....

.....

Like the course? Get enrolled and start learning!