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Add/fix some documentation for the autoscaler configuration. #1742

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Sep 3, 2019
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Add/fix some documentation for the autoscaler configuration. #1742

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11 changes: 6 additions & 5 deletions docs/serving/configuring-the-autoscaler.md
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Original file line number Diff line number Diff line change
Expand Up @@ -46,7 +46,7 @@ following parameters in the ConfigMap.
## scale-to-zero-grace-period

`scale-to-zero-grace-period` specifies the time an inactive revision is left
running before it is scaled to zero (min: 30s).
running before it is scaled to zero (min: 6s).

```
scale-to-zero-grace-period: 30s
Expand All @@ -55,7 +55,7 @@ scale-to-zero-grace-period: 30s
## stable-window

When operating in a stable mode, the autoscaler operates on the average
concurrency over the stable window.
concurrency over the stable window (min: 6s).

```
stable-window: 60s
Expand All @@ -70,7 +70,7 @@ autoscaling.knative.dev/window: 60s

## enable-scale-to-zero

Ensure that enable-scale-to-zero is set to `true`.
Ensure that enable-scale-to-zero is set to `true`, if scale to zero is desired.

## Termination period

Expand Down Expand Up @@ -119,7 +119,8 @@ containerConcurrency: 0 | 1 | 2-N
```

- A `containerConcurrency` value of `1` will guarantee that only one request is
handled at a time by a given instance of the revision container.
handled at a time by a given instance of the revision container, though requests
might be queued, waiting to be served.
- A value of `2` or more will limit request concurrency to that value.
- A value of `0` means the system should decide.

Expand Down Expand Up @@ -147,7 +148,7 @@ Using these annotations in the revision template will propagate this to
modified later without modifying anything else in the Knative Serving system.

```
edit podautoscaler <revision-name>
kubectl edit podautoscaler <revision-name>
```

**NOTE:** These annotations apply for the full lifetime of a revision. Even when
Expand Down