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a new API GC.GetTotalPauseDuration is available in .NET 7 learn.microsoft.com/en-us/dotnet/a…. it gives you the total amount of time paused in GC since the beginning of the process. should be a good aid in your performance monitoring.

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I literally just wrote 3 emails to 3 different teams to ask them to capture a top level GC trace to understand their memory behavior in general. 99.9% of the time this is the BEST way to start a memory investigation. github.com/Maoni0/mem-doc…

making .net better on AWS! great experience working with Norm Johanson on this.

2nd edition of the Pro .NET Memory Management book is coming🙂

what's new in the .NET 8.0 GC? we focused on solving the Server GC problem where it keeps too much memory around. the new DATAS feature aims to keep the memory usage much more in line with what your app requires. maoni0.medium.com/dynamically-ad…

very cool visualization tool to show case GC activities -

if I could only give one piece of advice to folks who need to do memory perf analysis, it would be to learn to use traces. tracing has existed for multiple decades and I still come across folks who need to do memory analysis and never use it. it really is a loss on productivity.

if you use PerfView, have you noticed the GCTriggeredStacks cmd arg? to see callstacks for induced GCs, use this lightweight commandline - PerfView /GCCollectOnly /GCTriggeredStacks /nogui collect (this is less verbose than what mem-doc currently shows)

profiling tip - if you upgrade to a newer version of a product and observe perf regression, make sure to grab some perf traces before you revert (if you revert all usage and can't easily get traces later). without comparative traces the investigation will be much harder