Three pillars of Observability Metrics To represent a time series measurements about a particular process or activity. It can be aggregated, visualized and easily processed data. Tracing To represent a single request to the system. It is useful for optimisation(e.g. find bottlenecks within specific parts of the stack). Logging To represent event at that point within a system. When things go wrong, log shows the case of the error.
blog: https://medium.com/opentracing/merging-opentracing-and-opencensus-f0fe9c7ca6f0 Merging OpenTracing and OpenCensus Related Issues - Annotations vs. Logs · Issue #16 · bogdandrutu/openconsensus - Message Events · Issue #13 · bogdandrutu/openconsensus OpenCensus and Jaeger have different log correlation designs. The Jaeger exporter sets an annotation on the Log field of the OpenTracing span. I expect duplicated fields will be merged...