Book Image

Hands-On Software Architecture with Java

By : Giuseppe Bonocore
5 (1)
Book Image

Hands-On Software Architecture with Java

5 (1)
By: Giuseppe Bonocore

Overview of this book

Well-written software architecture is the core of an efficient and scalable enterprise application. Java, the most widespread technology in current enterprises, provides complete toolkits to support the implementation of a well-designed architecture. This book starts with the fundamentals of architecture and takes you through the basic components of application architecture. You'll cover the different types of software architectural patterns and application integration patterns and learn about their most widespread implementation in Java. You'll then explore cloud-native architectures and best practices for enhancing existing applications to better suit a cloud-enabled world. Later, the book highlights some cross-cutting concerns and the importance of monitoring and tracing for planning the evolution of the software, foreseeing predictable maintenance, and troubleshooting. The book concludes with an analysis of the current status of software architectures in Java programming and offers insights into transforming your architecture to reduce technical debt. By the end of this software architecture book, you'll have acquired some of the most valuable and in-demand software architect skills to progress in your career.
Table of Contents (20 chapters)
1
Section 1: Fundamentals of Software Architectures
7
Section 2: Software Architecture Patterns
14
Section 3: Architectural Context

Service monitoring

A very important consideration is what to monitor.

Indeed, it's very important to collect as much data as possible, in terms of metrics and KPIs, as they may reveal interesting trends, and can be very useful if something unpredicted happens. But at the same time, business users are mostly interested in different kinds of metrics and information, such as the number of transactions per second (or per hour, or per day), the amount of money that passes through the platform, the number of concurrent users, and so on.

Hence, there are two different kinds of KPIs to look for, sometimes with a blurred boundary between them:

  • Technical information: Things such as the memory used, the number of threads, the number of connections, and so on. These things are useful for sizing and scaling systems and trying to forecast whether our system will perform well or some interventions are needed.
  • Business information: Defining what information is business information...