How many virtual memory I can use?

[li9270]

go version 1.14
My go program vss increased, while rss is stable. I haven seen:
(1) "The runtime now uses a sparse heap layout so there is no longer a limit to the size of the Go heap (previously, the limit was 512GiB)." in https://go.dev/doc/go1.11
(2) go use midvise to release memory, not umap
My go program work well now. If the program runs for a long time, will it exhaust the virtual address space or influence other app using memory?
I have some question:
(1) virtual adress space which go used is unlimited ?
(2) go reserve a large virtual address space in init stage, how to understand it ?
Is there any revent document or advise?
Thanks a lot.

[seankhliao]

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