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Improve performance of NodeResourcesFit scoring

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Signed-off-by: tangwz <tangwz.com@gmail.com>
This commit is contained in:
tangwz
2022-12-10 02:11:27 +08:00
parent 4eb5821c51
commit a4ab559ba4
9 changed files with 219 additions and 68 deletions
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21
pkg/scheduler/framework/plugins/noderesources/least_allocated_test.go
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@@ -360,6 +360,27 @@ func TestLeastAllocatedScoringStrategy(t *testing.T) {
expectedScores: []framework.NodeScore{{Name: "node1", Score: 50}, {Name: "node2", Score: 60}},
resources: extendedResourceSet,
},
{
// If the node doesn't have a resource
// CPU Score: ((6000 - 3000) * 100) / 6000 = 50
// Memory Score: ((10000 - 4000) * 100) / 10000 = 60
// Node1 Score: (50 * 1 + 60 * 1) / (1 + 1) = 55
// Node2 Score: (50 * 1 + 60 * 1) / (1 + 1) = 55
name: "if the node doesn't have a resource",
requestedPod: st.MakePod().Node("node1").
Req(map[v1.ResourceName]string{"cpu": "3000", "memory": "4000"}).
Obj(),
nodes: []*v1.Node{
st.MakeNode().Name("node1").Capacity(map[v1.ResourceName]string{"cpu": "6000", "memory": "10000"}).Obj(),
st.MakeNode().Name("node2").Capacity(map[v1.ResourceName]string{"cpu": "6000", "memory": "10000", v1.ResourceName(extendedRes): "4"}).Obj(),
},
expectedScores: []framework.NodeScore{{Name: "node1", Score: 55}, {Name: "node2", Score: 55}},
resources: []config.ResourceSpec{
{Name: extendedRes, Weight: 2},
{Name: string(v1.ResourceCPU), Weight: 1},
{Name: string(v1.ResourceMemory), Weight: 1},
},
},
}
for _, test := range tests {