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by jwestbury
946 days ago
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> metrics and logs were a thing of the past people gave up on since the rise of Microservices Definitely not the case, and, in fact, probably the opposite is true. In the era of microservices, metrics are absolutely critical to understand the health of your system. Distributed tracing is also only beneficial if you have the associated logs - so that you can understand what each piece of the system was doing for a single unit of work. |
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Ehhh, that's only if you view tracing as "the thing that tells me that service A talks to service B". Spans in a trace are just structured logs. They are your application logging vehicle, especially if you don't have a legacy of good in-app instrumentation via logs.
But even then the worlds are blurring a bit. OTel logs burn in a span and trace ID, and depending on the backend that correlated log may well just be treated as if it's a part of the trace.