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Merge pull request #91317 from chendave/balancedallocation

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Scheduler: remove the misleading comments in `NodeResourcesBalancedAllocation`
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Kubernetes Prow Robot 2020-06-24 08:55:17 -07:00 committed by GitHub
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1 changed files with 2 additions and 3 deletions
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pkg/scheduler/framework/plugins/noderesources/balanced_allocation.go
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@ -53,9 +53,8 @@ func (ba *BalancedAllocation) Score(ctx context.Context, state *framework.CycleS
}
// ba.score favors nodes with balanced resource usage rate.
// It should **NOT** be used alone, and **MUST** be used together
// with NodeResourcesLeastAllocated plugin. It calculates the difference between the cpu and memory fraction
// of capacity, and prioritizes the host based on how close the two metrics are to each other.
// It calculates the difference between the cpu and memory fraction of capacity,
// and prioritizes the host based on how close the two metrics are to each other.
// Detail: score = (1 - variance(cpuFraction,memoryFraction,volumeFraction)) * MaxNodeScore. The algorithm is partly inspired by:
// "Wei Huang et al. An Energy Efficient Virtual Machine Placement Algorithm with Balanced
// Resource Utilization"