morhidi commented on code in PR #310:
URL:
https://github.com/apache/flink-kubernetes-operator/pull/310#discussion_r918934502
##########
docs/content/docs/operations/metrics-logging.md:
##########
@@ -37,6 +37,22 @@ The Operator gathers aggregates metrics about managed
resources.
| Namespace | FlinkDeployment.<Status>.Count | Number of managed
FlinkDeployment resources per <Status> per namespace. <Status> can take values
from: READY, DEPLOYED_NOT_READY, DEPLOYING, MISSING, ERROR | Gauge |
| Namespace | FlinkSessionJob.Count | Number of managed
FlinkSessionJob instances per namespace
| Gauge |
+## Kubernetes Client Metrics
+
+The Operator gathers various metrics related to Kubernetes API server access.
The Kubernetes client metrics can be enabled by the configuration
`kubernetes.operator.kubernetes.client.metrics.enabled` (default: `true`).
+
+| Scope | Metrics | Description
| Type |
+|--------|----------------------------------------------|--------------------------------------------------------------------------------------------------------------------------------------------------------|-----------|
+| System | KubeClient.HttpRequest.Count | Number of HTTP
request sent to the Kubernetes API Server
| Counter |
+| System | KubeClient.HttpRequest.<RequestMethod>.Count | Number of HTTP
request sent to the Kubernetes API Server per request method. <RequestMethod>
can take values from: GET, POST, PUT, PATCH, DELETE, etc. | Counter |
+| System | KubeClient.HttpRequest.Failed.Count | Number of failed
HTTP requests that has no response from the Kubernetes API Server
| Counter |
+| System | KubeClient.HttpResponse.Count | Number of HTTP
responses received from the Kubernetes API Server
| Counter |
+| System | KubeClient.HttpResponse.<ResponseCode>.Count | Number of HTTP
responses received from the Kubernetes API Server per response code.
<ResponseCode> can take values from: 200, 404, 503, etc. | Counter |
+| System | KubeClient.HttpRequest.NumPerSecond | Number of HTTP
requests sent to the Kubernetes API Server per second
| Meter |
+| System | KubeClient.HttpRequest.Failed.NumPerSecond | Number of failed
HTTP requests sent to the Kubernetes API Server per second
| Meter |
+| System | KubeClient.HttpResponse.NumPerSecond | Number of HTTP
responses received from the Kubernetes API Server per second
| Meter |
+| System | KubeClient.HttpResponse.LatencyNanos | Latency statistics
obtained from the HTTP responses received from the Kubernetes API Server
| Histogram |
Review Comment:
aww, thanks!
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