On Thu, Apr 12, 2001, Ilya Konstantinov wrote about "Limiting memory with ulimit":
> Hi,
>
> I currently have a hard data seg limit of 30,000K (ulimit -Hd) and I'm
> trying to run a perl-one liner:
>
> perl -e 'for (0..1000000) { push @x,"1234567890"; }; print <>;'
>
> which easily manages to allocate 46,352K VSZ and 44,448K RSS.
>
> Could anyone please tell me what do I have to limit for the memory
> restriction to actually take place?
This is weird... I tried it, and indeed the ulimit -d seems to have no
effect! Is this a bug in Linux's handling of this limit? (I'm using kernel
2.2.16 and zsh 3.0.8).
Anyway, "ulimit -v" (limiting the amount of virtual memory the process)
seems to work fine:
$ ulimit -v 10000
$ perl -e 'for (0..1000000) { push @x,"1234567890"; }; print <>;'
Out of memory!
--
Nadav Har'El | Thursday, Apr 12 2001, 19 Nisan 5761
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