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A Kubernetes custom metrics adapter for ackbar
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bespinian/ackbar-adapter
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A custom metrics adapter which makesackbar'spartitionToWorkerRatio available as an external metric in the metrics API of Kubernetes.
kubectl apply -f k8s
Make a raw request to the Kubernetes metrics API.
kubectl get --raw"/apis/external.metrics.k8s.io/v1beta1/namespaces/default/partition-to-worker-ratio"You should be seeing a metrics item per context in yourackbar instance.
{"kind":"ExternalMetricValueList","apiVersion":"external.metrics.k8s.io/v1beta1","metadata": {},"items": [ {"metricName":"partition-to-worker-ratio","metricLabels": {"context":"3c0d1a1d-2e58-4032-a7dd-cf93a3eef4d3" },"timestamp":"2024-06-10T11:54:54Z","value":"3" }, {"metricName":"partition-to-worker-ratio","metricLabels": {"context":"0d29016f-00a4-468d-a6b9-c03262cfca1c" },"timestamp":"2024-06-10T11:54:54Z","value":"0" } ]}