Update AEP-8026: Allow per-VPA component configuration parameters

[omerap12]

What type of PR is this?

/kind documentation

What this PR does / why we need it:

Addressing #8012 (comment)

Which issue(s) this PR fixes:

Fixes #

Special notes for your reviewer:

As I can see we can have OOM configuration at both VPA-level (using containerPolicy with "*") and container-level. While both approaches work technically, I would appreciate your thoughts on which approach is more appropriate. Currently, the proposal keeps it at container-level for consistency with other container policies, but I'm open to discussion.

Also note that oomBumpUp will be replacing the existing global configuration when specified in a VPA object - we can achieve the same capabilities with only one config value.

Does this PR introduce a user-facing change?

NONE

Additional documentation e.g., KEPs (Kubernetes Enhancement Proposals), usage docs, etc.:

NONE

[omerap12]

/label tide/merge-method-squash

[adrianmoisey]

/retitle Update AEP-8026: Allow per-VPA component configuration parameters

[adrianmoisey]

This LGTM, but I believe it needs api-review

If you agree, can you add the label?

[omerap12]

This LGTM, but I believe it needs api-review

If you agree, can you add the label?

Thanks for the title fix :)
/label api-review

[soltysh]

I'm still missing answer to

1. How does setting these two work with the global flags?

from https://github.com/kubernetes/autoscaler/pull/8012/files#r2321376062

All the rest have been answered. Although nowhere in the doc you're discussing what alternatives for this particular setting (specifically I'm looking for answer why one field isn't sufficient) were considered and the reason for rejection.

[soltysh]

/lgtm

[adrianmoisey]

/approve

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: adrianmoisey, omerap12, soltysh

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