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Monitoring

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May 1, 2024 Updated May 9, 2025 29 minute read

At its core, monitoring is about observing and checking the progress or quality of something over a period. Think of it as keeping a watchful eye on a system to ensure it's behaving as expected. This "something" could be the performance of a complex IT network, the efficiency of a business process, the health of an ecosystem, or even your own heart rate during exercise. The fundamental idea is to gather data that reflects the state of the system, allowing us to detect when things go off track, understand why, and make informed decisions to bring them back into alignment or improve them further. For anyone new to the concept, imagine a car's dashboard: it monitors speed, fuel level, and engine temperature, providing the driver with crucial information to operate the vehicle safely and efficiently. Modern monitoring extends this basic principle to virtually every aspect of our technological and business worlds.

Working in the field of monitoring can be quite engaging. One of the exciting aspects is the detective work involved; when a system deviates from its normal state, monitoring professionals dive into the data to uncover the root cause, often requiring sharp analytical skills and a deep understanding of the system's intricacies. Another thrilling element is the proactive nature of much monitoring work. By identifying potential issues before they escalate into major problems, monitoring experts play a critical role in maintaining reliability and performance, which can be incredibly satisfying. Furthermore, the field is constantly evolving with new technologies and methodologies, offering continuous learning opportunities and the chance to work with cutting-edge tools.

Core Concepts and Principles

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Reading list

We've selected 25 books that we think will supplement your learning. Use these to develop background knowledge, enrich your coursework, and gain a deeper understanding of the topics covered in Monitoring.
Is considered a foundational text in Site Reliability Engineering (SRE), a discipline heavily intertwined with modern monitoring practices. It provides a comprehensive overview of how Google approaches reliability, including their philosophies on monitoring, alerting, and incident response. It is highly valuable for establishing a strong understanding of the principles behind effective monitoring in large-scale systems and is commonly used as a reference by industry professionals.
Focuses on the modern concept of observability in software engineering, which goes beyond traditional monitoring. It provides a practical guide to building and managing highly observable systems, covering logging, metrics, and tracing. This key book for understanding contemporary topics in monitoring and is highly relevant for those working with complex distributed systems.
As a companion to 'Site Reliability Engineering,' this workbook offers practical examples and case studies from Google and other companies on implementing SRE principles. It provides hands-on guidance for applying the concepts discussed in the first book, including practical approaches to monitoring and incident management. is excellent for deepening the understanding gained from the foundational SRE text and useful reference for implementing SRE practices.
Focuses on Service Level Objectives (SLOs), a key concept in SRE and a crucial aspect of effective monitoring. It provides guidance on defining and implementing SLOs to improve system reliability. This book is essential for anyone serious about using monitoring to drive reliability improvements.
Offers a pragmatic and tool-agnostic approach to monitoring. It covers essential topics such as monitoring antipatterns, principles of monitoring design, and getting metrics and logs from applications. It is highly relevant for gaining a broad understanding of effective monitoring strategies and valuable resource for anyone looking to improve their monitoring practices regardless of the specific tools they use.
This book, an excerpt from the 'Site Reliability Engineering' book, focuses specifically on monitoring distributed systems. It explains basic principles and best practices for building successful monitoring and alerting systems in complex environments. It is highly relevant for those working with distributed systems and provides implementation-agnostic guidance.
Focuses on OpenTelemetry, an open-source framework for instrumenting applications for observability. It covers setting up and operating a modern observability system using OpenTelemetry. This key book for understanding contemporary approaches to collecting telemetry data.
Provides a deep dive into modern monitoring practices, covering a wide range of tools and techniques. It is an opinionated book that offers valuable insights into implementing effective monitoring solutions. While it discusses specific tools, it also contains plenty of theory that is essential for a solid understanding of the topic.
Delves into distributed tracing, a critical component of observability for microservices. It covers instrumenting, analyzing, and debugging microservices using tracing. This valuable resource for those working with distributed systems and microservices architectures.
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This collection of essays offers diverse perspectives on implementing SRE principles in various settings. It explores how SRE relates to DevOps and discusses cutting-edge specialties in the field, including aspects of monitoring and reliability. is valuable for gaining a broader understanding of how SRE and monitoring are practiced in different organizations.
Provides a practical introduction to Prometheus, a widely used open-source monitoring system. It covers key aspects of using Prometheus for infrastructure and application monitoring, including dashboarding and alerting. This book is valuable for gaining hands-on knowledge of a popular monitoring tool.
Applies SRE principles to database systems, including specific guidance on monitoring database performance and reliability. It specialized book that provides in-depth knowledge for those focused on database monitoring. It useful resource for deepening understanding in a critical area of infrastructure.
Focuses on the practical aspects of monitoring and alerting for web operations. It delves into the technical details of configuring and maintaining monitors and alerts. It useful resource for those looking to deepen their understanding of implementing effective alerting strategies.
Provides a practical approach to network observability using popular open-source tools. It covers gathering, normalizing, and visualizing network data for data-driven operations. This book is highly relevant for network professionals and those interested in the network aspects of monitoring and observability.
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Similar to the Google Cloud book, this would be a resource focused on monitoring and logging within the Amazon Web Services (AWS) ecosystem. It would cover AWS-specific tools and best practices for monitoring cloud infrastructure and applications. This valuable reference for those using AWS.
Practical guide to using Grafana for creating dashboards and visualizing data. Grafana popular tool for visualizing metrics collected by monitoring systems like Prometheus. This book is useful for understanding how to effectively present monitoring data.
Provides a comprehensive overview of performance engineering. It covers topics such as performance metrics, data collection and analysis, and performance modeling.
Covers a wide range of topics related to system administration in cloud environments, including monitoring and SRE practices. While not exclusively focused on monitoring, it provides valuable context and practical advice for managing and monitoring cloud systems. It useful reference for system administrators and SREs.
While not solely focused on monitoring, this influential book on DevOps covers the importance of feedback loops and the role of monitoring in achieving reliability and agility. It provides a broader context for understanding where monitoring fits within a successful technology organization. It valuable resource for understanding the cultural and organizational aspects that support effective monitoring.
While a fictional novel, this book is highly influential in the DevOps movement and illustrates the importance of feedback loops, which are heavily reliant on effective monitoring. It provides a compelling narrative that highlights the value of monitoring in improving IT performance and business outcomes. It good introductory read for understanding the broader impact of monitoring.
A sequel to 'The Phoenix Project,' this novel continues to explore themes related to DevOps and the challenges of modern software development. It indirectly touches upon the importance of visibility and feedback, reinforcing the concepts supported by robust monitoring. It offers further context on the value of monitoring in a fast-paced development environment.
This resource likely focuses on monitoring and maintaining infrastructure specifically for Azure Virtual Desktop. It would be relevant for IT professionals managing this specific Microsoft Azure service. It provides targeted knowledge for a particular monitoring context.
Provides a comprehensive overview of Prometheus, an open-source monitoring system. It covers topics such as installing and configuring Prometheus, creating alerts, and using Prometheus to monitor different types of systems.
Or resource would cover monitoring and maintenance specifically for Linux systems, likely in the context of the LPIC-2 certification. It is valuable for those focusing on operating system-level monitoring. It provides foundational knowledge for monitoring Linux environments.
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