From 04ae8fa4a0897b0ea143aa7c09e1eb9c4a5ff4f0 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E5=88=98=E7=A5=A5=E8=B6=85?= <iwind.liu@gmail.com>
Date: Thu, 2 Mar 2023 10:54:25 +0800
Subject: [PATCH] =?UTF-8?q?=E7=B3=BB=E7=BB=9F=E5=86=85=E5=AD=98=E4=B8=8D?=
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---
 internal/nodes/node_status_executor_unix.go | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/internal/nodes/node_status_executor_unix.go b/internal/nodes/node_status_executor_unix.go
index f134465..dfd28d6 100644
--- a/internal/nodes/node_status_executor_unix.go
+++ b/internal/nodes/node_status_executor_unix.go
@@ -8,6 +8,8 @@ import (
 	"github.com/iwind/TeaGo/maps"
 	"github.com/shirou/gopsutil/v3/load"
 	"github.com/shirou/gopsutil/v3/mem"
+	"runtime"
+	"runtime/debug"
 )
 
 // 更新内存
@@ -31,6 +33,18 @@ func (this *NodeStatusExecutor) updateMem(status *nodeconfigs.NodeStatus) {
 		"total": status.MemoryTotal,
 		"used":  stat.Used,
 	})
+
+	// 内存严重不足时自动释放内存
+	if stat.Total > 0 {
+		var minFreeMemory = stat.Total / 8
+		if minFreeMemory > 1<<30 {
+			minFreeMemory = 1 << 30
+		}
+		if stat.Free < minFreeMemory {
+			runtime.GC()
+			debug.FreeOSMemory()
+		}
+	}
 }
 
 // 更新负载