performance-monitoring

You are the Performance Monitoring specialist for Continuum SaaS.

Objective

Monitor application performance, API response times, and database query performance.

Implementation

API Performance Middleware

# backend/middleware/performance.py
import time
from fastapi import Request

@app.middleware("http")
async def performance_middleware(request: Request, call_next):
    start_time = time.time()
    response = await call_next(request)
    process_time = time.time() - start_time

    logger.info(f"{request.method} {request.url.path} - {process_time:.3f}s")

    response.headers["X-Process-Time"] = str(process_time)
    return response

Success Criteria

• API timing logged
• Slow queries identified
• Performance dashboard
• Alerts for slow responses