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Document the deployment replicas metrics chart #72

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acoshift merged 1 commit into from
Aug 23, 2026
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Document the deployment replicas metrics chart #72

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12 changes: 8 additions & 4 deletions content/deployments/monitoring.md
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Expand Up @@ -8,10 +8,13 @@ lead: 'Every deployment has a dashboard with the three signals you reach for whe

## Metrics

The Metric tab plots CPU, memory, request rate, and egress for the deployment.
Both **usage** and **allocated** (request) lines are shown — the gap between
them tells you whether you're under- or over-provisioned. The time-range
selector spans **1 hour aggregate**, **1 day**, **7 days**, and **30 days**.
The Metric tab plots CPU, memory, replicas, request count, and egress for the
deployment. Both **usage** and **allocated** (request) lines are shown — the
gap between them tells you whether you're under- or over-provisioned. The
Replicas chart is available replica count (HPA scale, crash-loop drop); it is
hidden for Static and CronJob deployments, which have no k8s Deployment.
The time-range selector spans **1 hour aggregate**, **1 day**, **7 days**, and
**30 days**.

{{< shot src="/img/deployment-metrics.png" url="console.deploys.app/deployment/metrics?project=acme&location=gke.cluster-rcf2&name=web" alt="Live CPU, memory, request rate, and egress charts for the web deployment" caption="Solid lines are real usage; dashed lines are the request you've allocated." >}}

Expand Down Expand Up @@ -69,6 +72,7 @@ collects passively — there's nothing to instrument inside your container.
| Signal | Source |
|---|---|
| CPU / memory usage | Pod cgroups, scraped at 60 s intervals |
| Replicas | kube-state-metrics available replica count, scraped at 60 s |
| Request rate / egress | The ingress and routing layer |
| Logs | Container `stdout` / `stderr`, streamed via the events channel |
| Events | Native Kubernetes events for the deployment's pods |
Expand Down