Pablo (Tomas) FernandezandGitHub 874a6a1463 Docs: Update guide "How to use OpenTelemetry with VictoriaMetrics and VictoriaLogs" (#10396) ...

This is part of the effort to upgrate and validate the [Guides in the
docs](https://docs.victoriametrics.com/guides/).

Doc page:
https://docs.victoriametrics.com/guides/getting-started-with-opentelemetry/

Functionally, nothing should change. Aside from the fix that prevented
one of the example applications to run, the rest of the commands in the
guide should be equivalent to the original.

Header anchor links do not change with this update. I added a few
headers but the existing headers anchors should remain unchanged to
prevent breaking existing links.

- Tested on a more modern version of GKE to validate it still works OK
(1.34.1-gke.3971001)
- Changed wording of some sections to improve flow and readability
- Added some missing steps/troubleshooting
- Add tips annotations for cardinality explorer and setup references to
make them stand apart form the main content
- Use `kubectl port-forward svc/...` instead of `kubecl port-forward
pod` (service selectors vs pod names) in some test commands to make
instructions simpler
- Updated OpenTelemetry version to fix error that prevented
`app.go-collector.example` sample code from running
- Replaced the "Visit these links" part in the second program (with the
fast/slow endpoints) with curl commands
- Updated the first VMUI test link to show table instead of graph while
testing OpenTelemetry ingestion (default graph view can be confusing as
there metric value for `k8s_container_ready` doesn't really show any
values)
- Minor typos, grammar check, and consistency (Kubernetes vs kubernetes,
Helm vs Helm, Collector vs collector, etc)

2026-02-12 12:47:06 +01:00

577 KiB

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