Series

Scalability

A series on scalability — from individual instances to distributed systems and the organisations that develop them.

  1. Introduction

    Fifty Users

    A portal crashes when there are 50 concurrent users. This marks the start of a series on the topic of scalability — from individual instances through the architecture of distributed systems to the organisation.

  2. Part 1

    The Capacity of a Single Instance: Little's Law in Practice

    Every service can be modelled as a queuing system. Little's Law connects throughput, latency, and concurrency — and reveals where the bottleneck is.