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Snapshot actuation status before refreshing cache #5777

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merged 1 commit into from
May 22, 2023

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krzysied
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What type of PR is this?

/kind bug

What this PR does / why we need it:

There is a race condition between node group size and deletion operation. Having actuation status update done before cache refresh should change incorrect behavior from node group size going below min value to having adding loop for scale-down (in the worst case).

Special notes for your reviewer:

Follow-up to pull/5562

Does this PR introduce a user-facing change?

No

@k8s-ci-robot k8s-ci-robot added kind/bug Categorizes issue or PR as related to a bug. cncf-cla: yes Indicates the PR's author has signed the CNCF CLA. size/XS Denotes a PR that changes 0-9 lines, ignoring generated files. labels May 19, 2023
@k8s-ci-robot k8s-ci-robot requested a review from BigDarkClown May 19, 2023 10:36
@k8s-ci-robot k8s-ci-robot requested a review from x13n May 19, 2023 10:36
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/assign @x13n

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@x13n x13n left a comment

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Thanks for the fix! Only one minor comment. Feel free to cancel the hold if you disagree.

/lgtm
/approve
/hold

cluster-autoscaler/core/static_autoscaler.go Outdated Show resolved Hide resolved
@k8s-ci-robot k8s-ci-robot added do-not-merge/hold Indicates that a PR should not merge because someone has issued a /hold command. lgtm "Looks good to me", indicates that a PR is ready to be merged. labels May 22, 2023
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[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: krzysied, x13n

The full list of commands accepted by this bot can be found here.

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Approvers can indicate their approval by writing /approve in a comment
Approvers can cancel approval by writing /approve cancel in a comment

@k8s-ci-robot k8s-ci-robot added the approved Indicates a PR has been approved by an approver from all required OWNERS files. label May 22, 2023
There is a race condition between node group size and deletion operation. Having  actuation status update done before cache refresh should change incorrect behavior from node group size going below min value to having adding loop for scale-down (in the worst case).
@k8s-ci-robot k8s-ci-robot removed the lgtm "Looks good to me", indicates that a PR is ready to be merged. label May 22, 2023
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x13n commented May 22, 2023

/lgtm

@k8s-ci-robot k8s-ci-robot added the lgtm "Looks good to me", indicates that a PR is ready to be merged. label May 22, 2023
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x13n commented May 22, 2023

/hold cancel

@k8s-ci-robot k8s-ci-robot removed the do-not-merge/hold Indicates that a PR should not merge because someone has issued a /hold command. label May 22, 2023
@k8s-ci-robot k8s-ci-robot merged commit b22fa6a into kubernetes:master May 22, 2023
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3 participants