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Disallow excessive GOMAXPROCS (#368)

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petricadaipegsp 2024-11-20 23:59:09 +01:00 committed by GitHub
parent b94e123262
commit 8ce9aeee4e
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2 changed files with 8 additions and 0 deletions
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2
node/config/engine.go
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@ -34,4 +34,6 @@ type EngineConfig struct {
// Values used only for testing – do not override these in production, your
// node will get kicked out
Difficulty uint32 `yaml:"difficulty"`
// Whether to allow GOMAXPROCS values above the number of physical cores.
AllowExcessiveGOMAXPROCS bool `yaml:"allowExcessiveGOMAXPROCS"`
}

6
node/main.go
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@ -394,6 +394,12 @@ func main() {
nodeConfig.Engine.DataWorkerMemoryLimit = 1792 * 1024 * 1024 // 1.75GiB
}
if len(nodeConfig.Engine.DataWorkerMultiaddrs) == 0 {
maxProcs, numCPU := runtime.GOMAXPROCS(0), runtime.NumCPU()
if maxProcs > numCPU && !nodeConfig.Engine.AllowExcessiveGOMAXPROCS {
fmt.Println("GOMAXPROCS is set higher than the number of available CPUs.")
os.Exit(1)
}
nodeConfig.Engine.DataWorkerCount = qruntime.WorkerCount(
nodeConfig.Engine.DataWorkerCount, true,
)