Monitoring and Observability
“Monitoring” and “observability” are not the same thing, even though the words are often used interchangeably. Monitoring tells you when a pre-defined thing has gone wrong. Observability is whether you can answer new questions about system behaviour - including questions you had not thought to ask when you built the dashboards. This page groups tools by what they do rather than by vendor, because most real production stacks combine several of them. ...