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Add a Time-Configurable Parameter for Delay Between Machine Rollouts #11974

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avaneesh634 opened this issue Mar 17, 2025 · 2 comments
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kind/feature Categorizes issue or PR as related to a new feature. needs-priority Indicates an issue lacks a `priority/foo` label and requires one. needs-triage Indicates an issue or PR lacks a `triage/foo` label and requires one.

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@avaneesh634
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What would you like to be added (User Story)?

As a user I would like to have a time configurable parameter for delay between machine rollouts. This delay between machine rollout will help in data sync while using local volumes.

Detailed Description

I would like to introduce a time-configurable parameter to control the delay between machine rollouts. This would help ensure proper data synchronization between replicas using local volumes on the node.

For example, in a Redis quorum setup with a three-node cluster, at least two pods must be running to maintain quorum. If Machine 1 undergoes a rollout, the kubelet on that node restarts. However, before the data sync from other replicas completes, the remaining machines might also roll out, causing their kubelets to go down. As a result, only one pod remains running, failing the quorum requirement and making Redis unavailable.

Anything else you would like to add?

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/kind feature
One or more /area label. See https://github.com/kubernetes-sigs/cluster-api/labels?q=area for the list of labels.

@k8s-ci-robot k8s-ci-robot added kind/feature Categorizes issue or PR as related to a new feature. needs-priority Indicates an issue lacks a `priority/foo` label and requires one. labels Mar 17, 2025
@k8s-ci-robot
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This issue is currently awaiting triage.

If CAPI contributors determine this is a relevant issue, they will accept it by applying the triage/accepted label and provide further guidance.

The triage/accepted label can be added by org members by writing /triage accepted in a comment.

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes-sigs/prow repository.

@k8s-ci-robot k8s-ci-robot added the needs-triage Indicates an issue or PR lacks a `triage/foo` label and requires one. label Mar 17, 2025
@sbueringer
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Have you considered using PodDisruptionBudgets?

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