From 695d59d1d5e6c8f5145ded1b9e6a33a0a42d3de0 Mon Sep 17 00:00:00 2001
From: liqiang-fit2cloud <liqiang@fit2cloud.com>
Date: Fri, 5 Dec 2025 18:12:47 +0800
Subject: [PATCH] refactor: trim memory.

---
 apps/maxkb/settings/mem.py | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/apps/maxkb/settings/mem.py b/apps/maxkb/settings/mem.py
index d4e2ccc8e..c9dc91181 100644
--- a/apps/maxkb/settings/mem.py
+++ b/apps/maxkb/settings/mem.py
@@ -5,14 +5,22 @@ import threading
 from maxkb.const import CONFIG
 from common.utils.logger import maxkb_logger
 import random
+import psutil
 
 CURRENT_PID=os.getpid()
 # 1 hour
 GC_INTERVAL = 3600
 
 def enable_force_gc():
+    before = int(psutil.Process(CURRENT_PID).memory_info().rss / 1024 / 1024)
     collected = gc.collect()
-    maxkb_logger.debug(f"(PID: {CURRENT_PID}) Forced GC ({collected} objects collected)")
+    try:
+        import ctypes
+        ctypes.CDLL("libc.so.6").malloc_trim(0)
+    except Exception:
+        pass
+    after = int(psutil.Process(CURRENT_PID).memory_info().rss / 1024 / 1024)
+    maxkb_logger.debug(f"(PID: {CURRENT_PID}) Forced GC ({collected} objects and {before - after} MB recycled)")
     t = threading.Timer(GC_INTERVAL - random.randint(0, 900), enable_force_gc)
     t.daemon = True
     t.start()