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Merge pull request #38086 from windsonsea/hpay 

Replace an image with mermaid
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Kubernetes Prow Robot 2022-11-26 08:14:05 -08:00 committed by GitHub
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content/en/docs/tasks/run-application/horizontal-pod-autoscale.md
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@ -47,7 +47,30 @@ horizontal pod autoscaling.
## How does a HorizontalPodAutoscaler work?
{{< figure src="/images/docs/horizontal-pod-autoscaler.svg" caption="HorizontalPodAutoscaler controls the scale of a Deployment and its ReplicaSet" class="diagram-medium">}}
{{< mermaid >}}
graph BT
hpa[Horizontal Pod Autoscaler] --> scale[Scale]
subgraph rc[RC / Deployment]
scale
end
scale -.-> pod1[Pod 1]
scale -.-> pod2[Pod 2]
scale -.-> pod3[Pod N]
classDef hpa fill:#D5A6BD,stroke:#1E1E1D,stroke-width:1px,color:#1E1E1D;
classDef rc fill:#F9CB9C,stroke:#1E1E1D,stroke-width:1px,color:#1E1E1D;
classDef scale fill:#B6D7A8,stroke:#1E1E1D,stroke-width:1px,color:#1E1E1D;
classDef pod fill:#9FC5E8,stroke:#1E1E1D,stroke-width:1px,color:#1E1E1D;
class hpa hpa;
class rc rc;
class scale scale;
class pod1,pod2,pod3 pod
{{< /mermaid >}}
Figure 1. HorizontalPodAutoscaler controls the scale of a Deployment and its ReplicaSet
Kubernetes implements horizontal pod autoscaling as a control loop that runs intermittently
(it is not a continuous process). The interval is set by the