[Vm-dev] [OpenSmalltalk/opensmalltalk-vm] Memory leak (Issue #642)

Marcel Taeumel notifications at github.com
Mon Jun 27 07:31:33 UTC 2022


> This can be closed here because it is not a VM issue. It is an image side issue between image update 20981, which is good, and image update 21617 which has this problem. Updating a working 20981 image with all updates causes it to start increasing RSS.

Just a minor remark on this intermediate conclusion. At that point, we already knew that the .image file was not affected. It did not get bigger because of the memory leak. While an image-side workaround might have been possible, it clearly pointed to VM-side code not being correct. From the top of my hat, I cannot think of a scenario where non-FFI, image-only code leaks memory without affecting the .image size. (Maybe thousands of open file handles? But those have image-side counterparts as well, thus affecting the .image size.)

Thanks for the thorough investigation, Bruce!!! ❤️ 

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