Hi, Slide, As written in the 3rd comment, the heapdump was generated using ClrProfiler: https://clrprofiler.codeplex.com/releases/view/97738
I was using an older version, it seems (before .NET 4.5 came out). I had various mileage using different memory profilers while trying to debug this problem. Some profilers did not show any useful information (just displaying "root" holding references to some Ironpython stuff), others did crash (including ClrProfiler). Somehow, I tracked it to some pinned objects, but got stuck then, due to lacking knowledge of IronPython and DLR internas. We even tried to find commercial support / contractors back then to solve this problem, to no avail. (https://mail.python.org/pipermail/ironpython-users/2012-October/016273.html and some private emails to companies like Xamarin.) Eventually, we had internal workarounds for most of the problems caused by this, and the problem was scheduled low priority. So thanks a lot for your efforts, and good luck! Should you solve the problems, I'll invite you for a pizza and beer should we ever meet in real. ☺ Best regards Markus Schaber CODESYS® a trademark of 3S-Smart Software Solutions GmbH Inspiring Automation Solutions ________________________________ 3S-Smart Software Solutions GmbH Dipl.-Inf. Markus Schaber | Product Development Core Technology Memminger Str. 151 | 87439 Kempten | Germany Tel. +49-831-54031-979 | Fax +49-831-54031-50 E-Mail: m.scha...@codesys.com<mailto:m.scha...@codesys.com> | Web: codesys.com<http://www.codesys.com> | CODESYS store: store.codesys.com<http://store.codesys.com> CODESYS forum: forum.codesys.com<http://forum.codesys.com> Managing Directors: Dipl.Inf. Dieter Hess, Dipl.Inf. Manfred Werner | Trade register: Kempten HRB 6186 | Tax ID No.: DE 167014915 ________________________________ This e-mail may contain confidential and/or privileged information. If you are not the intended recipient (or have received this e-mail in error) please notify the sender immediately and destroy this e-mail. Any unauthorised copying, disclosure or distribution of the material in this e-mail is strictly forbidden. Von: Ironpython-users [mailto:ironpython-users-bounces+m.schaber=codesys....@python.org] Im Auftrag von Slide Gesendet: Montag, 14. Juli 2014 18:52 An: ironpython-users@python.org Betreff: [Ironpython-users] WI 31764 - Memory Leak Markus, hopefully this reaches you. In regards to https://ironpython.codeplex.com/workitem/31764, I was wondering how you got the heap dump like you posted. I'm looking into this issue because I'm having some memory leak type issues as well and would like to try and fix this. Thanks, slide -- Website: http://earl-of-code.com
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