With this practical book, you'll discover how to catch complications in your distributed system before they develop into costly problems. Based on his extensive experience in systems ops at large technology companies, author Slawek Ligus describes an effective data-driven approach for monitoring and alerting that enables you to maintain high availability and deliver a high quality of service.Learn methods for measuring state changes and data flow in your system, and set up alerts to help you recover quickly from problems when they do arise. If you're a system operator waging the daily battle to provide the best performance at the lowest cost, this book is for you.Monitor every component of your application stack, from the network to user experienceLearn how to draw the right conclusions from the metrics you obtainDevelop a robust alerting system that can identify problematic anomalies--without raising false alarmsAddress system failures by their impact on resource utilization and user experiencePlan an alerting configuration that scales with your expanding networkLearn how to choose appropriate maintenance times automaticallyDevelop a work environment that fosters flexibility and adaptability