优化代码

internal/utils/mem/system_1.19.go

@@ -0,0 +1,18 @@
+// Copyright 2023 Liuxiangchao iwind.liu@gmail.com. All rights reserved. Official site: https://goedge.cn .
+//go:build go1.19
+
+package memutils
+
+import (
+	"runtime/debug"
+)
+
+// 设置软内存最大值
+func setMaxMemory(memoryGB int) {
+	if memoryGB <= 0 {
+		memoryGB = 1
+	}
+
+	var maxMemoryBytes = (int64(memoryGB) << 30) * 80 / 100 // 默认 80%
+	debug.SetMemoryLimit(maxMemoryBytes)
+}