LeanSentry

LeanSentry is a specialized, lightweight diagnostic service built specifically for IIS & ASP.NET applications. It automatically detects, analyzes, and diagnoses the hardest production issues, request hangs, memory leaks, CPU spikes, application pool problems, thread pool starvation, and more. Powered by years of Microsoft engineering expertise, LeanSentry delivers actionable insights without the heavy overhead of full APM tools.Founded by Mike Volodarsky, who worked on IIS 7.0 and ASP.NET 2.0 at Microsoft, LeanSentry is built on techniques used to troubleshoot some of the world’s largest Microsoft-based sites, including MySpace, Vevo, Microsoft mobile properties, and hundreds more. Today, over 10,000 companies rely on LeanSentry to keep high-traffic .NET applications running fast and stable.