Observability takes monitoring to the next level, adding context that helps improve performance, streamline issue resolution and enhance IT service delivery.
observability and monitoring are often used interchangeably, but they serve distinctly different purposes in IT operations, with observability offering deeper insights and the ability to optimise performance proactively.
Barnard says observability, on the other hand, provides a deeper understanding of a system’s behaviour by gathering data from various sources, including logs, application code and performance metrics. He says: “Developers often conduct in-depth analyses using tools like Prometheus, which enable them to track system failures and identify root causes. The adoption of OpenTelemetry has simplified data collection and correlation, allowing IT teams to access comprehensive observability insights without requiring expertise in complex query languages. Instead of manually analysing logs, teams can leverage automated tracing and correlation, making issue resolution faster and more effective.
"The car is also continuously logging data about what it’s doing; for example, the driver accelerated to 70%, the driver hit the brakes, the driver took a corner. As a trace, we have a tracker in the car, and we can see: ‘Leaving Jhb 12:01, five people in car, arriving in Pta 12:31 – 30 minutes.' The output of observability would be to make sense of all the data in context.”
Alvin Barnard Observability Monitoring Metrics And Utilisation Events Logs Traces MELT
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