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Clarify documentation on ALB sticky session support #1614

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Nov 5, 2020
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Clarify documentation on ALB sticky session support #1614

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6 changes: 5 additions & 1 deletion docs/guide/ingress/annotations.md
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Original file line number Diff line number Diff line change
Expand Up @@ -140,6 +140,9 @@ Traffic Routing can be controlled with following annotations:

- [amazon-vpc-cni-k8s](https://github.com/aws/amazon-vpc-cni-k8s)

!!!note ""
`ip` mode is required for sticky sessions to work with Application Load Balancers.

!!!example
```
alb.ingress.kubernetes.io/target-type: instance
Expand Down Expand Up @@ -613,9 +616,10 @@ Custom attributes to LoadBalancers and TargetGroups can be controlled with follo
```
alb.ingress.kubernetes.io/target-group-attributes: deregistration_delay.timeout_seconds=30
```
- enable sticky sessions (Please remember to check the target group type to have the appropriate behavior).
- enable sticky sessions (requires `alb.ingress.kubernetes.io/target-type` be set to `ip`)
```
alb.ingress.kubernetes.io/target-group-attributes: stickiness.enabled=true,stickiness.lb_cookie.duration_seconds=60
alb.ingress.kubernetes.io/target-type: ip
```
- set load balancing algorithm to least outstanding requests
```
Expand Down