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

smalltalking notifications at github.com
Sun Jun 19 21:11:11 UTC 2022


I noticed that recent VMs leak a few hundred kilobytes of memory every 3-6 seconds. It happens even if you just start VM and do nothing with the image.
I tested it with various 64-bit Linux VMs. There seems to be no upper limit on the leaked memory. The leak happens even with the -memory option set. The size of the object memory is not affected by the leak, saved images remain small and the image does not see the increase in memory usage.
Affected VMs include: 5.0-202206021410, 5.0-202205110711, 5.0-202204190959
Unaffected VMs include: 5.0-202112022203 and 5.0-202112201228
The 5.0-202206021410 assert and debug VMs leak the memory as well.

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https://github.com/OpenSmalltalk/opensmalltalk-vm/issues/642
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