Usage

Build and run the docker file or build and run the console app

docker build --network host -t dotnet-new-relic-memory-leak .
docker run --network host --rm dotnet-new-relic-memory-leak

# OR

dotnet run

The app will log iterations of using WebRequest to make requests to collector.newrelic.com, a host that recently had a certificate expire.

After 20 seconds the app will reconfigure such that ServicePointManager.CheckCertificateRevocationList = true. Oddly, it has been my experience that if this setting is set immediately there isn't a memory leak.

At this point the RSS memory should balloon noticeably and continue to grow with subsequent requests.

Since reworking this as a console app, I see the memory hit a steady state around 250MB. When this bug was part of an ASP.NET web app, the memory could easily increase over 1GB. Not sure what is different. See the git history if you want to take the web app version for a spin.