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Update autoscaling documentation

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Alex Ellis 2017-12-28 19:00:25 +00:00 committed by GitHub
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watchdog/README.md
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@ -180,12 +180,19 @@ Auto-scaling starts at 1 replica and steps up in blocks of 5:
* 10->15
* 15->20
You can override the upper limit of auto-scaling by setting the following label on your container:
You can override the minimum and maximum scale of a function through labels.
Add these labels to the deployment if you want to sacle between 2 and 15 replicas.
```
com.faas.max_replicas: "10"
com.openfaas.scale.min: "2"
com.openfaas.scale.max: "15"
```
In Docker Swarm you can disable scaling, set the `com.faas.max_replicas` value to `"1"`.
The labels are optional.
As an alternative you can also remove or scale AlertManager to zero replicas.
**Disabling auto-scaling**
If you want to disable auto-scaling for a function then set the minimum and maximum scale to the same value i.e. "1".
As an alternative you can also remove AlertManager or scale it to 0 replicas.