Performance Degradation in ASP.NET Core 6 Web API with Custom Middleware for Logging Requests
I'm experiencing significant performance degradation in my ASP.NET Core 6 Web API after implementing custom middleware for logging incoming requests. The middleware is designed to log the request method, path, and body for auditing purposes. However, I've noticed that the response time has increased by over 50% for all endpoints since the middleware was added. I've tried optimizing the logging process by using asynchronous methods and only logging certain endpoints, but the performance issue persists. Below is the middleware implementation: ```csharp public class RequestLoggingMiddleware { private readonly RequestDelegate _next; private readonly ILogger<RequestLoggingMiddleware> _logger; public RequestLoggingMiddleware(RequestDelegate next, ILogger<RequestLoggingMiddleware> logger) { _next = next; _logger = logger; } public async Task InvokeAsync(HttpContext context) { context.Request.EnableBuffering(); var requestBody = await new StreamReader(context.Request.Body).ReadToEndAsync(); context.Request.Body.Position = 0; // Reset the stream position after reading _logger.LogInformation($"Method: {context.Request.Method}, Path: {context.Request.Path}, Body: {requestBody}"); await _next(context); } } ``` I've also tried moving the logging to a background service to ensure it doesn't block the request pipeline, but that caused issues with logging the exact request body since the body can only be read once. The logs are crucial for tracking down issues, so I'm hesitant to remove them entirely. Has anyone faced a similar issue or have suggestions on how to optimize this logging middleware without sacrificing too much performance? Is there a better approach?