The minReadySeconds field on StatefulSet specifies the minimum
number of seconds for which a newly created Pod should be
ready without any of its containers crashing, for it to
be considered available. The AvailableReplicas field
in the status reflects the replicas that are available
Automatic merge from submit-queue (batch tested with PRs 53047, 54861, 55413, 55395, 55308). If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>.
Switch internal scale type to autoscaling, enable apps/v1 scale subresources
xref #49504
* Switch workload internal scale type to autoscaling.Scale (internal-only change)
* Enable scale subresources for apps/v1 deployments, replicasets, statefulsets
```release-note
NONE
```
The alpha field podManagementPolicy defines how pods are created,
deleted, and replaced. The new `Parallel` policy will replace pods
as fast as possible, not waiting for the pod to be `Ready` or providing
an order. This allows for advanced clustered software to take advantage
of rapid changes in scale.
The exported or public functions requires a doc comment to pass golint.
This commit has changes of conversion generated code. The actual doc
changes are added into a separate commit for a clean review.
