[squeak-dev] testOutOfMemorySignalExtreme too disruptive

Marcel Taeumel marcel.taeumel at hpi.de
Thu Jun 2 15:00:18 UTC 2022

Hi all --

 I just merged Chris' approach. Please feel free to further tweak #heapMemoryLimit to work on all supported platforms.

Am 01.06.2022 02:31:27 schrieb Chris Muller <asqueaker at gmail.com>:
If -memory only works on unix VM's, then I need to update that test I put in the Inbox to check for that, too.  I didn't know that!

 - Chris

On Tue, May 31, 2022 at 5:25 PM David T. Lewis <lewis at mail.msen.com [mailto:lewis at mail.msen.com]> wrote:

This is a really good approach although I think it only works on
unix VMs. Even so it would be better than the current state, and
it seems better to have the test available on unix VMs than not to
have it at all.


On Tue, May 31, 2022 at 04:32:52PM -0500, Chris Muller wrote:
> The test could be changed to run ONLY if the vm was started with a limiting
> -memory argument.  See the attached method, Smalltalk>>#imageMemoryLimit.
> Let THAT be the way to enable the test, that the user started the image in
> a way that doesn't allow it, even accidentally, to swallow up the whole
> system.
> Best,
>   Chris
> On Wed, May 18, 2022 at 11:07 PM Lauren Pullen <drurowin at gmail.com [mailto:drurowin at gmail.com]> wrote:
> > Hi list,
> >
> > I can't remember if I already asked this, please ignore if it's a double.
> >
> > AllocationTest's testOutOfMemorySignalExtreme is too disruptive to the
> > rest of the OS to run by default.  It will absolutely fill my hard drive
> > with pagefile if the OS doesn't trap and ask me to start terminating
> > processes first.  If the pagefile fills the hard drive many programs are
> > simply incapable of not corrupting their persisted state... every time
> > it happens I need to go through and delete preferences and cache
> > folders.  The test has never completed, and I lack a 1 TB hard drive or
> > unused ones to RAID together.
> >
> > I feel it's appropriate to disable that test and require users
> > explicitly allow it to run.  Personally, I delete the method.  Can this
> > be disabled?
> >
> >


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