Ayush Ranjan

@willhuang1997, this reproduces on Linux. If you don't have access to a Linux machine, you should be able to repro using Docker. ``` $ docker run --rm -it ubuntu bash...

Can the doc update be made in the interim, so people don't try to run streamlit in this way? As for the fix, I guess it has to do with...

> As of Streamlit version 1.10.0 and higher, Streamlit apps cannot be run from the root directory of Unix-like operating systems, including Linux and macOS. @snehankekre I think @willhuang1997 confirmed...

> Looks not not very huge improvement. But it's mainly because the heavy overhead of ptrace context switch. Makes sense, for benchmarking I try to use the KVM platform on...

> Any concerns on this significantly growing the memory footprint of sandboxes? Does MAP_POPULATE mean we allocate memory immediatly despite it being touched? We have some reviewers more familiar with...

We intend on checking in #8003. We should be doing it soon.

Yes this works correctly with Docker version 19.03.4.

I can still repro this with `20.10.6`. I haven't bisected the exact version where this started breaking but I suspect this happened from v19 -> v20?

Any updates on this?

@fvoznika We should also be passing `O_SYNC` to the gofer right?