增加软内存最大值限制

internal/utils/system.go

@@ -23,5 +23,11 @@ func SystemMemoryGB() int {
 	}
 
 	systemTotalMemory = int(stat.Total / 1024 / 1024 / 1024)
+	if systemTotalMemory <= 0 {
+		systemTotalMemory = 1
+	}
+
+	setMaxMemory(systemTotalMemory)
+
 	return systemTotalMemory
 }

internal/utils/system_1.19.go

@@ -0,0 +1,23 @@
+// Copyright 2023 Liuxiangchao iwind.liu@gmail.com. All rights reserved. Official site: https://goedge.cn .
+//go:build go1.19
+
+package utils
+
+import (
+	"runtime/debug"
+)
+
+// 设置软内存最大值
+func setMaxMemory(memoryGB int) {
+	if memoryGB <= 0 {
+		memoryGB = 1
+	}
+	var maxMemoryBytes int64 = 0
+	if memoryGB > 10 {
+		maxMemoryBytes = int64(memoryGB-2) << 30 // 超过10G内存的允许剩余2G内存
+	} else {
+		maxMemoryBytes = (int64(memoryGB) << 30) * 100 / 80 // 默认 80%
+	}
+
+	debug.SetMemoryLimit(maxMemoryBytes)
+}

internal/utils/system_before_1.19.go

@@ -0,0 +1,9 @@
+// Copyright 2023 Liuxiangchao iwind.liu@gmail.com. All rights reserved. Official site: https://goedge.cn .
+//go:build !go1.19
+
+package utils
+
+// 设置软内存最大值
+func setMaxMemory(memoryGB int) {
+
+}