Master the core concepts of application monitoring, APM, observability, and key metrics. These guides provide the foundation for effective monitoring.
A comprehensive guide to understanding, calculating, and reducing the cost of application downtime. Covers downtime economics, alerting system design, incident response optimization, and the ROI of monitoring investment.
Read GuideFilebeat explained: what it is, how its architecture works, differences vs Logstash and Fluent Bit, basic setup, and when to use Filebeat for log shipping in modern stacks.
Read GuideLog levels explained: TRACE, DEBUG, INFO, WARN, ERROR, FATAL — what each means, when to use which, and best practices for log levels in production applications.
Read GuideLog aggregation explained: what it is, why centralized logs are essential, the components of a log aggregation pipeline, and popular tools (ELK, Loki, Fluent Bit, Atatus).
Read GuideStart monitoring your applications with Atatus and put these guides into practice