perf: revert preload.

Author: liqiang-fit2cloud

apps/maxkb/settings/mem.py

@@ -4,26 +4,16 @@
 import threading
 from maxkb.const import CONFIG
 from common.utils.logger import maxkb_logger
+import random
 
 CURRENT_PID=os.getpid()
-GC_THRESHOLD = (100, 5, 5)
 # 1 hour
 GC_INTERVAL = 3600
 
-def change_gc_threshold():
-    old_threshold = gc.get_threshold()
-    gc.set_threshold(*GC_THRESHOLD)
-    maxkb_logger.debug(f"(PID: {CURRENT_PID}) GC thresholds changed from {old_threshold} → {GC_THRESHOLD}")
-
 def force_gc():
     collected = gc.collect()
     maxkb_logger.debug(f"(PID: {CURRENT_PID}) Forced GC ({collected} objects collected)")
-    threading.Timer(GC_INTERVAL, force_gc).start()
-
-def init_memory_optimization():
-    change_gc_threshold()
-    force_gc()
-    maxkb_logger.debug("(PID: {CURRENT_PID}) Memory optimization (GC tuning) started.")
+    threading.Timer(GC_INTERVAL - random.randint(0, 900, force_gc).start()
 
 if CONFIG.get("ENABLE_MEMORY_OPTIMIZATION", '1') == "1":
-    init_memory_optimization()
+    threading.Timer(GC_INTERVAL - random.randint(0, 900), force_gc).start()