1996fanrui opened a new pull request, #875:
URL: https://github.com/apache/flink-kubernetes-operator/pull/875
## What is the purpose of the change
When the source traffic decreases, the autoscaler scales down job in time to
save resources. It causes that each job rescales more than 20 times a day.
## Brief change log
- [FLINK-36018][autoscaler] Support lazy scale down to avoid frequent
rescaling
## Verifying this change
- Added some unit tests for `JobVertexScalerTest` and `ScalingExecutorTest`.
- Improved the test of `AbstractAutoScalerStateStoreTest`
## 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`:
yes, update the autoscaler option.
- Core observer or reconciler logic that is regularly executed: no
## Documentation
- Does this pull request introduce a new feature? yes
- If yes, how is the feature documented? Added the option description.
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