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Enhance client side throttling information #2739

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Jul 28, 2022
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Enhance client side throttling information #2739

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Enhance client side throttling information
orsenthil Jul 27, 2022
aa9e228
Update docs/deploy/configurations.md
orsenthil Jul 27, 2022
fbc96e7
Update configurations.md
orsenthil Jul 27, 2022
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12 changes: 11 additions & 1 deletion docs/deploy/configurations.md
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Expand Up @@ -127,10 +127,20 @@ Once disabled:
* you can no longer alter the value of an `alb.ingress.kubernetes.io/group.name` annotation on an existing Ingress.


### Default throttle config
### throttle config

The default throttle config used is.

```
WAF Regional:^AssociateWebACL|DisassociateWebACL=0.5:1,WAF Regional:^GetWebACLForResource|ListResourcesForWebACL=1:1,WAFV2:^AssociateWebACL|DisassociateWebACL=0.5:1,WAFV2:^GetWebACLForResource|ListResourcesForWebACL=1:1
```
Client side throttling enables gradual scaling of the api calls. Additional throttle config can be specified via the `--aws-api-throttle` flag. You can get the ServiceID from the API definition in AWS SDK. For e.g, ELBv2 it is [Elastic Load Balancing v2](https://github.com/aws/aws-sdk-go/blob/main/models/apis/elasticloadbalancingv2/2015-12-01/api-2.json#L9).

Here is an example of throttle config to specify client side throttling of ELBv2 calls.

```
--aws-api-throttle=Elastic Load Balancing v2:RegisterTargets|DeregisterTargets=4:20,Elastic Load Balancing v2:.*=10:40
```

### Instance metadata
If running on EC2, the default values are obtained from the instance metadata service.
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