ASP.NET Core

The story around diagnostics tools is still evolving, but now have a good set of tools available. In my previous post, we tested the counters tool a bit. The most problematic part, currently, is to use these tools where the application is running as containers and extracting the dumped files for anaysis. In this post I will show examples of using these tools to troubleshoot .NET Core containers. I will focus on the dump, trace and counters tools, but anything should go for others as well. ...

Diagnostics have received nice improvements over the past few .NET Core releases. Especially 3.0 brought a good set of improvements and a a set of tools to diagnose running applications. While some of it is still in the early days, the cross platform story on runtime diagnostics is improving. A set of metrics I find particularly interesting to continuously optimize is the set of memory / GC related metrics. Especially for high throughput applications, this is particularly interesting, when it might be difficult to replicate production traffic in a test harness. ...