+func (*NodeSizeSuite) TestChooseWithBlobBuffersOverhead(c *check.C) {
+ menu := map[string]arvados.InstanceType{
+ "nearly": {Price: 2.2, RAM: 4000000000, VCPUs: 4, Scratch: 2 * GiB, Name: "small"},
+ "best": {Price: 3.3, RAM: 8000000000, VCPUs: 4, Scratch: 2 * GiB, Name: "best"},
+ "costly": {Price: 4.4, RAM: 12000000000, VCPUs: 8, Scratch: 2 * GiB, Name: "costly"},
+ }
+ best, err := ChooseInstanceType(&arvados.Cluster{InstanceTypes: menu, Containers: arvados.ContainersConfig{
+ LocalKeepBlobBuffersPerVCPU: 16, // 1 GiB per vcpu => 2 GiB
+ ReserveExtraRAM: 268435456,
+ }}, &arvados.Container{
+ Mounts: map[string]arvados.Mount{
+ "/tmp": {Kind: "tmp", Capacity: 2 * int64(GiB)},
+ },
+ RuntimeConstraints: arvados.RuntimeConstraints{
+ VCPUs: 2,
+ RAM: 987654321,
+ KeepCacheRAM: 123456789,
+ },
+ })
+ c.Check(err, check.IsNil)
+ c.Check(best.Name, check.Equals, "best")
+}
+
+func (*NodeSizeSuite) TestChoosePreemptible(c *check.C) {