As the complexity of modern software systems grows, the meaning and practice of "observability" have become increasingly muddled. In this personal essay, Charity Majors argues that it's time to "version" observability—differentiating the traditional metrics-logs-traces approach (Observability 1.0) from a new, more flexible model built on wide, structured log events (Observability 2.0).

https://charity.wtf/2024/08/07/is-it-time-to-version-observability-signs-point-to-yes/