Exception request: SizeMemoryBackedVolumes to beta

[Derek Carr]

Enhancement name: Support to size memory backed volumes

Enhancement status: Beta

SIG: Node

k/enhancements repo issue #: https://github.com/kubernetes/enhancements/issues/1967

PR #'s: https://github.com/kubernetes/kubernetes/pull/100319

Additional time needed (in days): 0, no further work is needed beyond the 1-line PR posted

Reason this enhancement is critical for this milestone: Usage of memory backed empty dir volumes is restricted by their behavior being coupled to the node size they are scheduled.  This inhibits usage of the feature in environments.  The code was introduced in Alpha and has no negative drawbacks identified, and users are keen to leverage it.  I had only discovered my error in not promoting the feature when I went to document the change in feature gate today.  Documentation for the feature already exists based on its alpha state.

Risks from adding code late: Low risk, e2e coverage for the feature is rich.

Risks from cutting enhancement: Delaying this inhibits usage of Kubernetes in particular vertical segments that make use of memory backed volumes, e.g. telco/5g.

Apologies to the release team for the late request, as noted above, I thought I had pushed this PR and it was not until I went to update the doc that I saw the error.

Thanks,
Derek

[Davanum Srinivas]

Folks,

I forgot to put a `/hold` when i `/approve`d this one line PR. Please let us know if it's ok to stay merged.

thanks,

Dims

[Nabarun Pal]

Hi Derek,

Thank you for filing this exception request.

At this point in the release cycle, we are considering only release blocking and critical features. We have decided to DENY this exception request. We look forward to seeing this in v1.22.

I noticed that the implementation PR already merged a few hours ago. Can you please revert the same?

Best,

Nabarun Pal

[Davanum Srinivas]

Nabarun,

Since i made the mistake :) i've filed a revert

https://github.com/kubernetes/kubernetes/pull/100346

please `/lgtm`

-- Dims

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Davanum Srinivas :: https://twitter.com/dims

[Nabarun Pal]

On Thu, Mar 18, 2021 at 1:11 AM Davanum Srinivas <dav...@gmail.com> wrote:

Since i made the mistake :) i've filed a revert

https://github.com/kubernetes/kubernetes/pull/100346

Thank you, Dims. No worries. :)

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Best,

Nabarun Pal (pronoun.is/he)