In this chapter, we will cover:
The recipes in this chapter are for network clusters of Raspberry Pis.
A network cluster is more than one computer networked together as a single system. Computers are clustered for scaling and high availability. Clusters are used to scale performance by distributing the workload of the system across all of the computers in the cluster. In a highly available system, the network cluster continues to function even if one of the computers in the cluster goes down.
Clusters of Raspberry Pis can be used to keep a website up and running, even if one of the Raspberry Pis used to host the ...