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Add k8s.{pod,node}.cpu.{time,usage} metrics (#1320)
Signed-off-by: ChrsMark <chrismarkou92@gmail.com>
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| # Use this changelog template to create an entry for release notes. | ||
| # | ||
| # If your change doesn't affect end users you should instead start | ||
| # your pull request title with [chore] or use the "Skip Changelog" label. | ||
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| # One of 'breaking', 'deprecation', 'new_component', 'enhancement', 'bug_fix' | ||
| change_type: enhancement | ||
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| # The name of the area of concern in the attributes-registry, (e.g. http, cloud, db) | ||
| component: k8s | ||
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| # A brief description of the change. Surround your text with quotes ("") if it needs to start with a backtick (`). | ||
| note: Add `k8s.pod.cpu.time`, `k8s.pod.cpu.usage`, `k8s.node.cpu.time`, `k8s.node.cpu.usage` metrics | ||
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| # 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. | ||
| issues: [1320] | ||
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| # (Optional) One or more lines of additional information to render under the primary note. | ||
| # These lines will be padded with 2 spaces and then inserted directly into the document. | ||
| # Use pipe (|) for multiline entries. | ||
| subtext: |
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| <!--- Hugo front matter used to generate the website version of this page: | ||
| linkTitle: Container | ||
| ---> | ||
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| # Semantic Conventions for Kubernetes Metrics | ||
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| **Status**: [Experimental][DocumentStatus] | ||
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| ## K8s Metrics | ||
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| This document describes instruments and attributes for common K8s level | ||
| metrics in OpenTelemetry. These metrics are collected from technology-specific, | ||
| well-defined APIs (e.g. Kubelet's API). | ||
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| Metrics in `k8s.` instruments SHOULD be attached to a [K8s Resource](/docs/resource/k8s.md) | ||
| and therefore inherit its attributes, like `k8s.pod.name` and `k8s.pod.uid`. | ||
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| ### Metric: `k8s.pod.cpu.time` | ||
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| This metric is [recommended][MetricRecommended]. | ||
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| <!-- semconv metric.k8s.pod.cpu.time(metric_table) --> | ||
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| | Name | Instrument Type | Unit (UCUM) | Description | Stability | | ||
| | -------- | --------------- | ----------- | -------------- | --------- | | ||
| | `k8s.pod.cpu.time` | Counter | `s` | Total CPU time consumed [1] |  | | ||
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| **[1]:** Total CPU time consumed by the specific Pod on all available CPU cores | ||
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| ### Metric: `k8s.pod.cpu.usage` | ||
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| This metric is [recommended][MetricRecommended]. | ||
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| <!-- semconv metric.k8s.pod.cpu.usage(metric_table) --> | ||
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| | Name | Instrument Type | Unit (UCUM) | Description | Stability | | ||
| | -------- | --------------- | ----------- | -------------- | --------- | | ||
| | `k8s.pod.cpu.usage` | Gauge | `{cpu}` | Pod's CPU usage, measured in cpus. Range from 0 to the number of allocatable CPUs [1] |  | | ||
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| **[1]:** CPU usage of the specific Pod on all available CPU cores, averaged over the sample window | ||
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| ### Metric: `k8s.node.cpu.time` | ||
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| This metric is [recommended][MetricRecommended]. | ||
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| | Name | Instrument Type | Unit (UCUM) | Description | Stability | | ||
| | -------- | --------------- | ----------- | -------------- | --------- | | ||
| | `k8s.node.cpu.time` | Counter | `s` | Total CPU time consumed [1] |  | | ||
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| **[1]:** Total CPU time consumed by the specific Node on all available CPU cores | ||
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| ### Metric: `k8s.node.cpu.usage` | ||
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| This metric is [recommended][MetricRecommended]. | ||
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| | Name | Instrument Type | Unit (UCUM) | Description | Stability | | ||
| | -------- | --------------- | ----------- | -------------- | --------- | | ||
| | `k8s.node.cpu.usage` | Gauge | `{cpu}` | Node's CPU usage, measured in cpus. Range from 0 to the number of allocatable CPUs [1] |  | | ||
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| **[1]:** CPU usage of the specific Node on all available CPU cores, averaged over the sample window | ||
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| [DocumentStatus]: https://opentelemetry.io/docs/specs/otel/document-status | ||
| [MetricRecommended]: /docs/general/metric-requirement-level.md#recommended |
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| groups: | ||
| # k8s.pod.cpu.* metrics | ||
| - id: metric.k8s.pod.cpu.time | ||
| type: metric | ||
| metric_name: k8s.pod.cpu.time | ||
| stability: experimental | ||
| brief: "Total CPU time consumed" | ||
| note: > | ||
| Total CPU time consumed by the specific Pod on all available CPU cores | ||
| instrument: counter | ||
| unit: "s" | ||
| - id: metric.k8s.pod.cpu.usage | ||
| type: metric | ||
| metric_name: k8s.pod.cpu.usage | ||
| stability: experimental | ||
| brief: "Pod's CPU usage, measured in cpus. Range from 0 to the number of allocatable CPUs" | ||
| note: > | ||
| CPU usage of the specific Pod on all available CPU cores, averaged over the sample window | ||
| instrument: gauge | ||
| unit: "{cpu}" | ||
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| # k8s.node.cpu.* metrics | ||
| - id: metric.k8s.node.cpu.time | ||
| type: metric | ||
| metric_name: k8s.node.cpu.time | ||
| stability: experimental | ||
| brief: "Total CPU time consumed" | ||
| note: > | ||
| Total CPU time consumed by the specific Node on all available CPU cores | ||
| instrument: counter | ||
| unit: "s" | ||
| - id: metric.k8s.node.cpu.usage | ||
| type: metric | ||
| metric_name: k8s.node.cpu.usage | ||
| stability: experimental | ||
| brief: "Node's CPU usage, measured in cpus. Range from 0 to the number of allocatable CPUs" | ||
| note: > | ||
| CPU usage of the specific Node on all available CPU cores, averaged over the sample window | ||
| instrument: gauge | ||
| unit: "{cpu}" |