From 4c51f09d5a5a9a507a44d53af8bdc2fc6a651121 Mon Sep 17 00:00:00 2001 From: ChrsMark Date: Wed, 4 Dec 2024 12:45:19 +0200 Subject: [PATCH] add more replica related metrics & add _pod suffix Signed-off-by: ChrsMark --- .chloggen/add_deploy_replica_metrics.yaml | 2 +- docs/system/k8s-metrics.md | 262 +++++++++++++++++++--- model/k8s/metrics.yaml | 132 +++++++++-- 3 files changed, 341 insertions(+), 55 deletions(-) diff --git a/.chloggen/add_deploy_replica_metrics.yaml b/.chloggen/add_deploy_replica_metrics.yaml index da8cb10914..2ddd380a7a 100755 --- a/.chloggen/add_deploy_replica_metrics.yaml +++ b/.chloggen/add_deploy_replica_metrics.yaml @@ -10,7 +10,7 @@ change_type: enhancement component: k8s # A brief description of the change. Surround your text with quotes ("") if it needs to start with a backtick (`). -note: Add desired and available metrics for k8s deployment, replicaset and replication_controller +note: Add metrics for k8s deployment, replicaset, replication_controller, statefulset and hpa. # Mandatory: One or more tracking issues related to the change. You can use the PR number here if no issue exists. # The values here must be integers. diff --git a/docs/system/k8s-metrics.md b/docs/system/k8s-metrics.md index 92e2c5dbf5..a180edd2b9 100644 --- a/docs/system/k8s-metrics.md +++ b/docs/system/k8s-metrics.md @@ -34,14 +34,24 @@ and therefore inherit its attributes, like `k8s.pod.name` and `k8s.pod.uid`. - [Metric: `k8s.node.network.io`](#metric-k8snodenetworkio) - [Metric: `k8s.node.network.errors`](#metric-k8snodenetworkerrors) - [Deployment Metrics](#deployment-metrics) - - [Metric: `k8s.deployment.desired`](#metric-k8sdeploymentdesired) - - [Metric: `k8s.deployment.available`](#metric-k8sdeploymentavailable) + - [Metric: `k8s.deployment.desired_pods`](#metric-k8sdeploymentdesired_pods) + - [Metric: `k8s.deployment.available_pods`](#metric-k8sdeploymentavailable_pods) - [ReplicaSet Metrics](#replicaset-metrics) - - [Metric: `k8s.replicaset.desired`](#metric-k8sreplicasetdesired) - - [Metric: `k8s.replicaset.available`](#metric-k8sreplicasetavailable) + - [Metric: `k8s.replicaset.desired_pods`](#metric-k8sreplicasetdesired_pods) + - [Metric: `k8s.replicaset.available_pods`](#metric-k8sreplicasetavailable_pods) - [ReplicationController Metrics](#replicationcontroller-metrics) - - [Metric: `k8s.replication_controller.desired`](#metric-k8sreplication_controllerdesired) - - [Metric: `k8s.replication_controller.available`](#metric-k8sreplication_controlleravailable) + - [Metric: `k8s.replication_controller.desired_pods`](#metric-k8sreplication_controllerdesired_pods) + - [Metric: `k8s.replication_controller.available_pods`](#metric-k8sreplication_controlleravailable_pods) +- [StatefulSet Metrics](#statefulset-metrics) + - [Metric: `k8s.statefulset.desired_pods`](#metric-k8sstatefulsetdesired_pods) + - [Metric: `k8s.statefulset.ready_pods`](#metric-k8sstatefulsetready_pods) + - [Metric: `k8s.statefulset.current_pods`](#metric-k8sstatefulsetcurrent_pods) + - [Metric: `k8s.statefulset.updated_pods`](#metric-k8sstatefulsetupdated_pods) +- [HorizontalPodAutoscaler Metrics](#horizontalpodautoscaler-metrics) + - [Metric: `k8s.hpa.desired_pods`](#metric-k8shpadesired_pods) + - [Metric: `k8s.hpa.current_pods`](#metric-k8shpacurrent_pods) + - [Metric: `k8s.hpa.max_pods`](#metric-k8shpamax_pods) + - [Metric: `k8s.hpa.min_pods`](#metric-k8shpamin_pods) @@ -371,11 +381,11 @@ This metric is [recommended][MetricRecommended]. **Description:** Deployment level metrics captured under the namespace `k8s.deployment`. -### Metric: `k8s.deployment.desired` +### Metric: `k8s.deployment.desired_pods` This metric is [recommended][MetricRecommended]. - + @@ -384,21 +394,21 @@ This metric is [recommended][MetricRecommended]. | Name | Instrument Type | Unit (UCUM) | Description | Stability | | -------- | --------------- | ----------- | -------------- | --------- | -| `k8s.deployment.desired` | Gauge | `{pod}` | Number of desired pods in this deployment [1] | ![Experimental](https://img.shields.io/badge/-experimental-blue) | +| `k8s.deployment.desired_pods` | Gauge | `{pod}` | Number of desired replica pods in this deployment [1] | ![Experimental](https://img.shields.io/badge/-experimental-blue) | **[1]:** This metric aligns with the `replicas` field of the -[K8s Deployment Spec](https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.30/#deploymentspec-v1-apps) +[K8s DeploymentSpec](https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.30/#deploymentspec-v1-apps) -### Metric: `k8s.deployment.available` +### Metric: `k8s.deployment.available_pods` This metric is [recommended][MetricRecommended]. - + @@ -407,10 +417,10 @@ This metric is [recommended][MetricRecommended]. | Name | Instrument Type | Unit (UCUM) | Description | Stability | | -------- | --------------- | ----------- | -------------- | --------- | -| `k8s.deployment.available` | Gauge | `{pod}` | Total number of available pods (ready for at least minReadySeconds) targeted by this deployment [1] | ![Experimental](https://img.shields.io/badge/-experimental-blue) | +| `k8s.deployment.available_pods` | Gauge | `{pod}` | Total number of available replica pods (ready for at least minReadySeconds) targeted by this deployment [1] | ![Experimental](https://img.shields.io/badge/-experimental-blue) | **[1]:** This metric aligns with the `availableReplicas` field of the -[K8s Deployment Status](https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.30/#deploymentstatus-v1-apps) +[K8s DeploymentStatus](https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.30/#deploymentstatus-v1-apps) @@ -421,11 +431,11 @@ This metric is [recommended][MetricRecommended]. **Description:** ReplicaSet level metrics captured under the namespace `k8s.replicaset`. -### Metric: `k8s.replicaset.desired` +### Metric: `k8s.replicaset.desired_pods` This metric is [recommended][MetricRecommended]. - + @@ -434,21 +444,21 @@ This metric is [recommended][MetricRecommended]. | Name | Instrument Type | Unit (UCUM) | Description | Stability | | -------- | --------------- | ----------- | -------------- | --------- | -| `k8s.replicaset.desired` | Gauge | `{pod}` | Number of desired pods in this replicaset [1] | ![Experimental](https://img.shields.io/badge/-experimental-blue) | +| `k8s.replicaset.desired_pods` | Gauge | `{pod}` | Number of desired replica pods in this replicaset [1] | ![Experimental](https://img.shields.io/badge/-experimental-blue) | **[1]:** This metric aligns with the `replicas` field of the -[K8s ReplicaSet Spec](https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.30/#replicasetspec-v1-apps) +[K8s ReplicaSetSpec](https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.30/#replicasetspec-v1-apps) -### Metric: `k8s.replicaset.available` +### Metric: `k8s.replicaset.available_pods` This metric is [recommended][MetricRecommended]. - + @@ -457,10 +467,10 @@ This metric is [recommended][MetricRecommended]. | Name | Instrument Type | Unit (UCUM) | Description | Stability | | -------- | --------------- | ----------- | -------------- | --------- | -| `k8s.replicaset.available` | Gauge | `{pod}` | Total number of available pods (ready for at least minReadySeconds) targeted by this replicaset [1] | ![Experimental](https://img.shields.io/badge/-experimental-blue) | +| `k8s.replicaset.available_pods` | Gauge | `{pod}` | Total number of available replica pods (ready for at least minReadySeconds) targeted by this replicaset [1] | ![Experimental](https://img.shields.io/badge/-experimental-blue) | **[1]:** This metric aligns with the `availableReplicas` field of the -[K8s ReplicaSet Status](https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.30/#replicasetstatus-v1-apps) +[K8s ReplicaSetStatus](https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.30/#replicasetstatus-v1-apps) @@ -471,11 +481,11 @@ This metric is [recommended][MetricRecommended]. **Description:** ReplicationController level metrics captured under the namespace `k8s.replication_controller`. -### Metric: `k8s.replication_controller.desired` +### Metric: `k8s.replication_controller.desired_pods` This metric is [recommended][MetricRecommended]. - + @@ -484,21 +494,21 @@ This metric is [recommended][MetricRecommended]. | Name | Instrument Type | Unit (UCUM) | Description | Stability | | -------- | --------------- | ----------- | -------------- | --------- | -| `k8s.replication_controller.desired` | Gauge | `{pod}` | Number of desired pods in this replication controller [1] | ![Experimental](https://img.shields.io/badge/-experimental-blue) | +| `k8s.replication_controller.desired_pods` | Gauge | `{pod}` | Number of desired replica pods in this replication controller [1] | ![Experimental](https://img.shields.io/badge/-experimental-blue) | **[1]:** This metric aligns with the `replicas` field of the -[K8s ReplicationController Spec](https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.30/#replicationcontrollerspec-v1-core) +[K8s ReplicationControllerSpec](https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.30/#replicationcontrollerspec-v1-core) -### Metric: `k8s.replication_controller.available` +### Metric: `k8s.replication_controller.available_pods` This metric is [recommended][MetricRecommended]. - + @@ -507,10 +517,202 @@ This metric is [recommended][MetricRecommended]. | Name | Instrument Type | Unit (UCUM) | Description | Stability | | -------- | --------------- | ----------- | -------------- | --------- | -| `k8s.replication_controller.available` | Gauge | `{pod}` | Total number of available pods (ready for at least minReadySeconds) targeted by this replication controller [1] | ![Experimental](https://img.shields.io/badge/-experimental-blue) | +| `k8s.replication_controller.available_pods` | Gauge | `{pod}` | Total number of available replica pods (ready for at least minReadySeconds) targeted by this replication controller [1] | ![Experimental](https://img.shields.io/badge/-experimental-blue) | **[1]:** This metric aligns with the `availableReplicas` field of the -[K8s ReplicationController Status](https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.30/#replicationcontrollerstatus-v1-core) +[K8s ReplicationControllerStatus](https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.30/#replicationcontrollerstatus-v1-core) + + + + + + +## StatefulSet Metrics + +**Description:** StatefulSet level metrics captured under the namespace `k8s.statefulset`. + +### Metric: `k8s.statefulset.desired_pods` + +This metric is [recommended][MetricRecommended]. + + + + + + + + +| Name | Instrument Type | Unit (UCUM) | Description | Stability | +| -------- | --------------- | ----------- | -------------- | --------- | +| `k8s.statefulset.desired_pods` | Gauge | `{pod}` | Number of desired replica pods in this statefulset [1] | ![Experimental](https://img.shields.io/badge/-experimental-blue) | + +**[1]:** This metric aligns with the `replicas` field of the +[K8s StatefulSetSpec](https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.30/#statefulsetspec-v1-apps) + + + + + + +### Metric: `k8s.statefulset.ready_pods` + +This metric is [recommended][MetricRecommended]. + + + + + + + + +| Name | Instrument Type | Unit (UCUM) | Description | Stability | +| -------- | --------------- | ----------- | -------------- | --------- | +| `k8s.statefulset.ready_pods` | Gauge | `{pod}` | The number of replica pods created for this statefulset with a Ready Condition [1] | ![Experimental](https://img.shields.io/badge/-experimental-blue) | + +**[1]:** This metric aligns with the `readyReplicas` field of the +[K8s StatefulSetStatus](https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.30/#statefulsetstatus-v1-apps) + + + + + + +### Metric: `k8s.statefulset.current_pods` + +This metric is [recommended][MetricRecommended]. + + + + + + + + +| Name | Instrument Type | Unit (UCUM) | Description | Stability | +| -------- | --------------- | ----------- | -------------- | --------- | +| `k8s.statefulset.current_pods` | Gauge | `{pod}` | The number of replica pods created by the statefulset controller from the statefulset version indicated by currentRevision [1] | ![Experimental](https://img.shields.io/badge/-experimental-blue) | + +**[1]:** This metric aligns with the `currentReplicas` field of the +[K8s StatefulSetStatus](https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.30/#statefulsetstatus-v1-apps) + + + + + + +### Metric: `k8s.statefulset.updated_pods` + +This metric is [recommended][MetricRecommended]. + + + + + + + + +| Name | Instrument Type | Unit (UCUM) | Description | Stability | +| -------- | --------------- | ----------- | -------------- | --------- | +| `k8s.statefulset.updated_pods` | Gauge | `{pod}` | Number of replica pods created by the statefulset controller from the statefulset version indicated by updateRevision [1] | ![Experimental](https://img.shields.io/badge/-experimental-blue) | + +**[1]:** This metric aligns with the `updatedReplicas` field of the +[K8s StatefulSetStatus](https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.30/#statefulsetstatus-v1-apps) + + + + + + +## HorizontalPodAutoscaler Metrics + +**Description:** HorizontalPodAutoscaler level metrics captured under the namespace `k8s.hpa`. + +### Metric: `k8s.hpa.desired_pods` + +This metric is [recommended][MetricRecommended]. + + + + + + + + +| Name | Instrument Type | Unit (UCUM) | Description | Stability | +| -------- | --------------- | ----------- | -------------- | --------- | +| `k8s.hpa.desired_pods` | Gauge | `{pod}` | Desired number of replica pods managed by this horizontal pod autoscaler, as last calculated by the autoscaler [1] | ![Experimental](https://img.shields.io/badge/-experimental-blue) | + +**[1]:** This metric aligns with the `desiredReplicas` field of the +[K8s HorizontalPodAutoscalerStatus](https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.30/#horizontalpodautoscalerstatus-v2-autoscaling) + + + + + + +### Metric: `k8s.hpa.current_pods` + +This metric is [recommended][MetricRecommended]. + + + + + + + + +| Name | Instrument Type | Unit (UCUM) | Description | Stability | +| -------- | --------------- | ----------- | -------------- | --------- | +| `k8s.hpa.current_pods` | Gauge | `{pod}` | Current number of replica pods managed by this horizontal pod autoscaler, as last seen by the autoscaler [1] | ![Experimental](https://img.shields.io/badge/-experimental-blue) | + +**[1]:** This metric aligns with the `currentReplicas` field of the +[K8s HorizontalPodAutoscalerStatus](https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.30/#horizontalpodautoscalerstatus-v2-autoscaling) + + + + + + +### Metric: `k8s.hpa.max_pods` + +This metric is [recommended][MetricRecommended]. + + + + + + + + +| Name | Instrument Type | Unit (UCUM) | Description | Stability | +| -------- | --------------- | ----------- | -------------- | --------- | +| `k8s.hpa.max_pods` | Gauge | `{pod}` | The upper limit for the number of replica pods to which the autoscaler can scale up [1] | ![Experimental](https://img.shields.io/badge/-experimental-blue) | + +**[1]:** This metric aligns with the `maxReplicas` field of the +[K8s HorizontalPodAutoscalerSpec](https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.30/#horizontalpodautoscalerspec-v2-autoscaling) + + + + + + +### Metric: `k8s.hpa.min_pods` + +This metric is [recommended][MetricRecommended]. + + + + + + + + +| Name | Instrument Type | Unit (UCUM) | Description | Stability | +| -------- | --------------- | ----------- | -------------- | --------- | +| `k8s.hpa.min_pods` | Gauge | `{pod}` | The lower limit for the number of replica pods to which the autoscaler can scale down [1] | ![Experimental](https://img.shields.io/badge/-experimental-blue) | + +**[1]:** This metric aligns with the `minReplicas` field of the +[K8s HorizontalPodAutoscalerSpec](https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.30/#horizontalpodautoscalerspec-v2-autoscaling) diff --git a/model/k8s/metrics.yaml b/model/k8s/metrics.yaml index 94060976f6..b621bb1973 100644 --- a/model/k8s/metrics.yaml +++ b/model/k8s/metrics.yaml @@ -128,67 +128,151 @@ groups: - ref: network.io.direction # k8s.deployment.* metrics - - id: metric.k8s.deployment.desired + - id: metric.k8s.deployment.desired_pods type: metric - metric_name: k8s.deployment.desired + metric_name: k8s.deployment.desired_pods stability: experimental - brief: "Number of desired pods in this deployment" + brief: "Number of desired replica pods in this deployment" note: | This metric aligns with the `replicas` field of the - [K8s Deployment Spec](https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.30/#deploymentspec-v1-apps) + [K8s DeploymentSpec](https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.30/#deploymentspec-v1-apps) instrument: gauge unit: "{pod}" - - id: metric.k8s.deployment.available + - id: metric.k8s.deployment.available_pods type: metric - metric_name: k8s.deployment.available + metric_name: k8s.deployment.available_pods stability: experimental - brief: "Total number of available pods (ready for at least minReadySeconds) targeted by this deployment" + brief: "Total number of available replica pods (ready for at least minReadySeconds) targeted by this deployment" note: | This metric aligns with the `availableReplicas` field of the - [K8s Deployment Status](https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.30/#deploymentstatus-v1-apps) + [K8s DeploymentStatus](https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.30/#deploymentstatus-v1-apps) instrument: gauge unit: "{pod}" # k8s.replicaset.* metrics - - id: metric.k8s.replicaset.desired + - id: metric.k8s.replicaset.desired_pods type: metric - metric_name: k8s.replicaset.desired + metric_name: k8s.replicaset.desired_pods stability: experimental - brief: "Number of desired pods in this replicaset" + brief: "Number of desired replica pods in this replicaset" note: | This metric aligns with the `replicas` field of the - [K8s ReplicaSet Spec](https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.30/#replicasetspec-v1-apps) + [K8s ReplicaSetSpec](https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.30/#replicasetspec-v1-apps) instrument: gauge unit: "{pod}" - - id: metric.k8s.replicaset.available + - id: metric.k8s.replicaset.available_pods type: metric - metric_name: k8s.replicaset.available + metric_name: k8s.replicaset.available_pods stability: experimental - brief: "Total number of available pods (ready for at least minReadySeconds) targeted by this replicaset" + brief: "Total number of available replica pods (ready for at least minReadySeconds) targeted by this replicaset" note: | This metric aligns with the `availableReplicas` field of the - [K8s ReplicaSet Status](https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.30/#replicasetstatus-v1-apps) + [K8s ReplicaSetStatus](https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.30/#replicasetstatus-v1-apps) instrument: gauge unit: "{pod}" # k8s.replication_controller.* metrics - - id: metric.k8s.replication_controller.desired + - id: metric.k8s.replication_controller.desired_pods type: metric - metric_name: k8s.replication_controller.desired + metric_name: k8s.replication_controller.desired_pods stability: experimental - brief: "Number of desired pods in this replication controller" + brief: "Number of desired replica pods in this replication controller" note: | This metric aligns with the `replicas` field of the - [K8s ReplicationController Spec](https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.30/#replicationcontrollerspec-v1-core) + [K8s ReplicationControllerSpec](https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.30/#replicationcontrollerspec-v1-core) instrument: gauge unit: "{pod}" - - id: metric.k8s.replication_controller.available + - id: metric.k8s.replication_controller.available_pods type: metric - metric_name: k8s.replication_controller.available + metric_name: k8s.replication_controller.available_pods stability: experimental - brief: "Total number of available pods (ready for at least minReadySeconds) targeted by this replication controller" + brief: "Total number of available replica pods (ready for at least minReadySeconds) targeted by this replication controller" note: | This metric aligns with the `availableReplicas` field of the - [K8s ReplicationController Status](https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.30/#replicationcontrollerstatus-v1-core) + [K8s ReplicationControllerStatus](https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.30/#replicationcontrollerstatus-v1-core) + instrument: gauge + unit: "{pod}" + + # k8s.statefulset.* metrics + - id: metric.k8s.statefulset.desired_pods + type: metric + metric_name: k8s.statefulset.desired_pods + stability: experimental + brief: "Number of desired replica pods in this statefulset" + note: | + This metric aligns with the `replicas` field of the + [K8s StatefulSetSpec](https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.30/#statefulsetspec-v1-apps) + instrument: gauge + unit: "{pod}" + - id: metric.k8s.statefulset.ready_pods + type: metric + metric_name: k8s.statefulset.ready_pods + stability: experimental + brief: "The number of replica pods created for this statefulset with a Ready Condition" + note: | + This metric aligns with the `readyReplicas` field of the + [K8s StatefulSetStatus](https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.30/#statefulsetstatus-v1-apps) + instrument: gauge + unit: "{pod}" + - id: metric.k8s.statefulset.current_pods + type: metric + metric_name: k8s.statefulset.current_pods + stability: experimental + brief: "The number of replica pods created by the statefulset controller from the statefulset version indicated by currentRevision" + note: | + This metric aligns with the `currentReplicas` field of the + [K8s StatefulSetStatus](https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.30/#statefulsetstatus-v1-apps) + instrument: gauge + unit: "{pod}" + - id: metric.k8s.statefulset.updated_pods + type: metric + metric_name: k8s.statefulset.updated_pods + stability: experimental + brief: "Number of replica pods created by the statefulset controller from the statefulset version indicated by updateRevision" + note: | + This metric aligns with the `updatedReplicas` field of the + [K8s StatefulSetStatus](https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.30/#statefulsetstatus-v1-apps) + instrument: gauge + unit: "{pod}" + + # k8s.hpa.* metrics + - id: metric.k8s.hpa.desired_pods + type: metric + metric_name: k8s.hpa.desired_pods + stability: experimental + brief: "Desired number of replica pods managed by this horizontal pod autoscaler, as last calculated by the autoscaler" + note: | + This metric aligns with the `desiredReplicas` field of the + [K8s HorizontalPodAutoscalerStatus](https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.30/#horizontalpodautoscalerstatus-v2-autoscaling) + instrument: gauge + unit: "{pod}" + - id: metric.k8s.hpa.current_pods + type: metric + metric_name: k8s.hpa.current_pods + stability: experimental + brief: "Current number of replica pods managed by this horizontal pod autoscaler, as last seen by the autoscaler" + note: | + This metric aligns with the `currentReplicas` field of the + [K8s HorizontalPodAutoscalerStatus](https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.30/#horizontalpodautoscalerstatus-v2-autoscaling) + instrument: gauge + unit: "{pod}" + - id: metric.k8s.hpa.max_pods + type: metric + metric_name: k8s.hpa.max_pods + stability: experimental + brief: "The upper limit for the number of replica pods to which the autoscaler can scale up" + note: | + This metric aligns with the `maxReplicas` field of the + [K8s HorizontalPodAutoscalerSpec](https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.30/#horizontalpodautoscalerspec-v2-autoscaling) + instrument: gauge + unit: "{pod}" + - id: metric.k8s.hpa.min_pods + type: metric + metric_name: k8s.hpa.min_pods + stability: experimental + brief: "The lower limit for the number of replica pods to which the autoscaler can scale down" + note: | + This metric aligns with the `minReplicas` field of the + [K8s HorizontalPodAutoscalerSpec](https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.30/#horizontalpodautoscalerspec-v2-autoscaling) instrument: gauge unit: "{pod}"