After upgrade to Operations Manager 3.0, most of TKGI metrics are missing from Grafana dashboard. In bosh-metrics-exporter logs on pks-exporter instance, the following error keeps repeating.
2024-08-08 13:06:02 INFO ingress.EventStreamObserver [ForkJoinPool-1-worker-2] io.grpc.StatusRuntimeException: UNAVAILABLE: io exception
2024-08-08 13:06:07 INFO ingress.EventStreamObserver [ForkJoinPool-1-worker-2] io.grpc.StatusRuntimeException: UNAVAILABLE: io exception
2024-08-08 13:06:12 INFO ingress.EventStreamObserver [ForkJoinPool-1-worker-2] io.grpc.StatusRuntimeException: UNAVAILABLE: io exception
...
Bosh-metrics-exporter relies on BOSH System Metrics Server component on BOSH director VM. However the component was removed since Operations Manager 3.0 according to release note.
This issue will be fixed in Healthwatch v2.3.