I followed this doc:
and there is no such remote_write block shown in Prometheus Web Portal,
and nothing was sent to my grafana cloud.
I followed this doc:
and there is no such remote_write block shown in Prometheus Web Portal,
and nothing was sent to my grafana cloud.
It’s my mistake to have typos in helm values.yaml.
Now the issue has been resolved.
I also posted on github issues. ([prometheus-kube-stack] `remote_write` to grafana cloud doesn't work · Issue #2386 · prometheus-community/helm-charts · GitHub)