Terracotta Java Scalability - Stateless Versus Stateful Apps

The document discusses the challenges of building stateful web applications that can scale. It describes how applications initially start as single-machine architectures but must later scale across multiple servers, which introduces the "state monster" as application and conversational state must be managed. It reviews different approaches to addressing state, such as pushing it to databases, peers, clients, but notes these have limitations. The document argues for JVM-level clustering using Terracotta to more easily build scalable stateful applications.