Merge branch 'main' into 18842-arv-mount-disk-config
[arvados.git] / lib / dispatchcloud / node_size.go
index 5b85d57ea69b726b1b4db1d8346cddaa52230bf3..0b394f4cfe4f76849fc2eb42541ed613e325921f 100644 (file)
@@ -113,7 +113,12 @@ func ChooseInstanceType(cc *arvados.Cluster, ctr *arvados.Container) (best arvad
 
        needRAM := ctr.RuntimeConstraints.RAM + ctr.RuntimeConstraints.KeepCacheRAM
        needRAM += int64(cc.Containers.ReserveExtraRAM)
-       needRAM += int64(cc.Containers.LocalKeepBlobBuffersPerVCPU * needVCPUs * (1 << 26))
+       if cc.Containers.LocalKeepBlobBuffersPerVCPU > 0 {
+               // + 200 MiB for keepstore process + 10% for GOGC=10
+               needRAM += 220 << 20
+               // + 64 MiB for each blob buffer + 10% for GOGC=10
+               needRAM += int64(cc.Containers.LocalKeepBlobBuffersPerVCPU * needVCPUs * (1 << 26) * 11 / 10)
+       }
        needRAM = (needRAM * 100) / int64(100-discountConfiguredRAMPercent)
 
        ok := false