Kubernetes CPU Metrics in the kubeletstats Receiver: Transition from .cpu.utilization to .cpu.usage

The OpenTelemetry Collector’s kubeletstats receiver is a crucial component for collecting Kubernetes node, pod and container metrics. To improve metric accuracy and adhere to OpenTelemetry semantic conventions, we are updating how CPU metrics are named and emitted. This blog post explains the motivation behind this change, the impact on users, the role of the feature gate which was introduced for this change, and guidance on migrating. Why This Change? Historically, the kubeletstats receiver emitted CPU metrics labeled with .cpu.utilization, such as:

opentelemetry.io · OpenTelemetry