perf: revert preload.

Author: liqiang-fit2cloud

apps/maxkb/settings/mem.py

@@ -4,7 +4,6 @@
 import threading
 from maxkb.const import CONFIG
 from common.utils.logger import maxkb_logger
-import tracemalloc
 
 CURRENT_PID=os.getpid()
 GC_THRESHOLD = (100, 5, 5)
@@ -16,23 +15,15 @@ def change_gc_threshold():
     gc.set_threshold(*GC_THRESHOLD)
     maxkb_logger.debug(f"(PID: {CURRENT_PID}) GC thresholds changed from {old_threshold} → {GC_THRESHOLD}")
 
-
 def force_gc():
-    snapshot = tracemalloc.take_snapshot()
-    top_stats = snapshot.statistics('lineno')
-    maxkb_logger.debug("[ Top 10 memory-consuming lines ]")
-    for stat in top_stats[:10]:
-        maxkb_logger.debug(stat)
     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():
-    tracemalloc.start()
     change_gc_threshold()
     force_gc()
     maxkb_logger.debug("(PID: {CURRENT_PID}) Memory optimization (GC tuning) started.")
 
-if CONFIG.get("ENABLE_MEMORY_OPTIMIZATION", '0') == "1":
+if CONFIG.get("ENABLE_MEMORY_OPTIMIZATION", '1') == "1":
     init_memory_optimization()