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Document elastic cluster scaling down #41

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Document elastic cluster scaling down
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14 changes: 14 additions & 0 deletions EGI.md
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Expand Up @@ -365,6 +365,20 @@ Then, you'll need to restart clues2 service:
service cluesd restart
```

#### Why cluster is not scaling down?

CLUES will only delete VMs that are _"idle"_: i.e. with __no running pods__.

You can use `kubectl` commands to see which pods are running on nodes:

```bash
sudo kubectl get nodes # get the list of nodes
kubectl describe nodes vnode-4.localdomain # shows the list of pods running on vnode-4
```

Keep also in mind that if you have configured a minimum number of free nodes,
the same number of idle nodes will be maintained.

### Daskhub without EGI Check-in auth and less limits

If you don't want to go through the step of configuring EGI Check-in auth
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