Distributed Services with Go

Chapter 8Coordinate Your Services with Consensus

Distributed services are like commercial kitchens. Imagine a small restaurant opens up with one stove and one cook. Patrons discover the restaurant and tell their friends, and business is booming. But the kitchen struggles with the mob of customers and sometimes the stove breaks, forcing the restaurant to close for the night and lose business. So the restaurant hires two more cooks and buys two more stoves. The cooks keep up with orders now but they make mistakes: they mix up appetizers and entrees; they mix up tables; they make double of one order while forgetting to make another. They lack coordination. So the kitchen hires a chef to oversee and coordinate the kitchen. When an order comes in, ...