Steven D'Aprano wrote:

As far as I know, ulimit ("user limit") won't help. It can limit the amount
of RAM available to a process, but that just makes the process start using
virtual memory more quickly.

ulimit -v is supposed to set the maximum amount of virtual
memory the process can use.

It can also limit the amount of virtual memory
used by the shell, but not of other processes.

That doesn't sound right. Not sure about Linux, but the
man page for sh on Darwin says:

    Provides  control  over the resources available to the shell and
    to processes started by it, on systems that allow such  control.

The Python process should also be able to set its own
limits using resource.setrlimit().

--
Greg
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