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Allow nodes to declare failure probability/SLA #118669

@helayoty

Description

@helayoty

What would you like to be added?

  • Add a configuration option to the nodes to declare a failure probability (SLA).
  • Allow the workloads to configure the minimum failure probability they need to be able to run.

/sig scheduling

Why is this needed?

The idea started to form while implementing the placement-policy schedule plugin (repo) and the need to run on mixed nodes with different availability. Introducing the ability to configure the SLA on nodes and some workloads APIs can lead to better resource management and stabilization.

// @khenidak

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    kind/featureCategorizes issue or PR as related to a new feature.needs-triageIndicates an issue or PR lacks a `triage/foo` label and requires one.sig/appsCategorizes an issue or PR as relevant to SIG Apps.sig/autoscalingCategorizes an issue or PR as relevant to SIG Autoscaling.sig/nodeCategorizes an issue or PR as relevant to SIG Node.sig/schedulingCategorizes an issue or PR as relevant to SIG Scheduling.

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