feat: implement next-gen vectorized engine, async architecture, and modernization roadmap v2.32.0

core_py/monitoring.py

@@ -0,0 +1,56 @@
+import time
+import functools
+import statistics
+from typing import List, Callable, Any
+
+class PerformanceMonitor:
+    """
+    모니터링 및 SLO 측정 엔진 (Phase 3: Monitoring Integration)
+    모든 병목 지점에 타이밍 래퍼를 삽입하여 실시간 가시성 확보.
+    """
+    
+    def __init__(self):
+        self.latencies: List[float] = []
+        self.slo_threshold_ms = 200.0 # P95 목표: 200ms 이하
+
+    def track_latency(self, func: Callable):
+        """메서드 실행 시간을 측정하는 데코레이터"""
+        @functools.wraps(func)
+        async def wrapper(*args, **kwargs):
+            start_time = time.perf_counter()
+            result = await func(*args, **kwargs) if asyncio.iscoroutinefunction(func) else func(*args, **kwargs)
+            latency = (time.perf_counter() - start_time) * 1000
+            
+            self.latencies.append(latency)
+            if latency > self.slo_threshold_ms:
+                print(f"[SLO Alert] {func.__name__} violated SLO! Latency: {latency:.2f}ms (Goal: {self.slo_threshold_ms}ms)")
+            
+            return result
+        return wrapper
+
+    def get_stats(self) -> dict:
+        """현재까지의 지연 시간 통계 산출 (P95 포함)"""
+        if not self.latencies:
+            return {"count": 0}
+            
+        stats = {
+            "count": len(self.latencies),
+            "avg_ms": statistics.mean(self.latencies),
+            "max_ms": max(self.latencies),
+            "p95_ms": statistics.quantiles(self.latencies, n=20)[18] if len(self.latencies) >= 20 else "N/A"
+        }
+        return stats
+
+    def report(self):
+        """정기 성능 보고서 출력"""
+        stats = self.get_stats()
+        print("\n" + "="*40)
+        print("📊 [SYSTEM PERFORMANCE REPORT]")
+        print(f"Total Requests: {stats['count']}")
+        print(f"Average Latency: {stats.get('avg_ms', 0):.2f}ms")
+        print(f"P95 Latency: {stats['p95_ms']}")
+        print("="*40 + "\n")
+
+monitor = PerformanceMonitor()
+
+import asyncio # for decorator awareness