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instructions for deploying the k8s horizontal autoscaler manifests #48

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instructions for deploying the k8s horizontal autoscaler manifests #48

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12 changes: 12 additions & 0 deletions deployment/kubernetes.md
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Expand Up @@ -130,6 +130,18 @@ There are two options for running Weave Scope, either you can run the UI locally

<!-- deploy-doc-end -->

### Service autoscaling (optional)
If you want all stateless services to scale automatically based on the CPU utilization, you can deploy all the manifests in the "deploy/kubernetes/autoscaling" directory.
The autoscaling directory contains Kubernetes horizontal pod autoscalers for all the stateless services, and the Heapster monitoring application with it's depedencies.

```
master_ip=$(terraform output -json | jq -r '.master_address.value')
scp -i ~/.ssh/deploy-docs-k8s.pem -o StrictHostKeyChecking=no -rp deploy/kubernetes/autoscaling ubuntu@$master_ip:/tmp/
ssh -i ~/.ssh/deploy-docs-k8s.pem ubuntu@$master_ip kubectl apply -f /tmp/autoscaling
```

If you cause enough load on the application you should see the various services scaling up in number.

### View the results
Run `terraform output` command to see the load balancer and node URLs

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