v2.9.1 (requires Kubernetes 1.22+)
Documentation
Image: public.ecr.aws/eks/aws-load-balancer-controller:v2.9.1
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Action required
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What’s New
- AWS Load Balancer Controller now implements a deferral queue for TargetGroupBindings that change rarely. This means that during leadership failover, the controller will immediately work on target groups that have had their membership change. Previously, the controller would try to reconcile all target groups which could delay potential changes if the cluster had many TargetGroupBindings. This new deferral queue will detect TargetGroupBindings without any change and choose to reconcile them at a slower pace in the future, prioritizing TargetGroupBindings that have changed since the last reconcile cycle.
Enhancement and Fixes
- Slow start containers should be more responsive to pod readiness checks. Previously, the controller could back-off for up to 16 minutes for checking the container readiness state. Now the controller will use a static 15 second delay to continually ensure your containers have started.
- Implement a deferral queue to sideline TargetGroupBindings without a recent change.
ChangeLog since v2.9.0
- Feature: Deferred queue for no-op TGB (#3861)