On Sun, Dec 01, 2019 at 12:26:15PM +1100, Chris Angelico wrote:
I can't answer your question authoritatively, but I can suggest a
place to look. Python's memory allocator doesn't always return memory
to the system when the objects are freed up, for various reasons
including the way that memory pages get allocated from. But it
internally knows which parts are in use and which parts aren't. You're
seeing the RSS go down slightly at some points, which would be the
times when entire pages can be released; but other than that, what
you'll end up with is a sort of high-water-mark with lots of unused
space inside it.
So what you're seeing isn't actual objects being cached, but just
memory ready to be populated with future objects.
Thank you and Richard for your responses, this makes perfect sense now.
Cheers,
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José María (Chema) Mateos || https://rinzewind.org/
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