morhidi opened a new pull request, #509:
URL: https://github.com/apache/flink-kubernetes-operator/pull/509
## What is the purpose of the change
The autoscaler currently doesn't trigger any events. We should use Kube
events to notify users about scaling actions on a per-vertex level or in cases
where the autoscaler blocked some scaling action due to past history.
## Brief change log
- Added event triggering to `ScalingExecutor` in case of any parallelism
change
- Added event triggering to `JobVertexScaler` in case of ineffective
scaling
- Added hotfix for autoscaling example
## Verifying this change
Added new unit tests:
- `ScalingExecutorTest.testScalingEvents()`
- `JobVertexScalerTest.testIneffectiveScalingDetection()`
## Does this pull request potentially affect one of the following parts:
- Dependencies (does it add or upgrade a dependency): no
- The public API, i.e., is any changes to the `CustomResourceDescriptors`:
no
- Core observer or reconciler logic that is regularly executed: yes
## Documentation
- Does this pull request introduce a new feature? no
- If yes, how is the feature documented? not applicable
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