.NET Blog

Making CPU configuration better for GC on machines with > 64 CPUs

maoniApril 3, 2019Apr 3, 201904/3/19

If you are running Windows on a machine with > 64 CPUs, you’ll need to use this feature called the CPU groups for your process to be able to use more than 64 CPUs. At some point in the far distant past,

You Should Never See This Callstack in Production

maoniOctober 9, 2018Oct 9, 201810/9/18

A customer who just experienced some server outage asked us for help as they thought it was due to some very long GC pauses. I thought this diagnostics exercise might be useful for other folks as well so I am sharing it with you.

Middle Ground between Server and Workstation GC

maoniOctober 2, 2018Oct 2, 201810/2/18

A long time ago I wrote about using Workstation GC on server applications when you have many instances of your server app running on the same machine. By default Server GC will treat the process as owning the machine so it uses all CPUs to do the GC work.

GLAD is available

maoniSeptember 19, 2016Sep 19, 201609/19/16

End of last year I mentioned we wanted to provide an API for you to really investigate GC/managed memory related performance called GLAD. Well, the source finally got opened source on github. So GLAD is available. The repo is called PerfView but you actually just need the TraceEvent project (but it’s much easier to just build the whole solution then add the reference to the resulting Microsoft.Diagnostics.Tracing.TraceEvent.dll).