[racket-dev] call-with-limits memory bound isn't actually bounding memory usage

The namespace...?


On Wed, Sep 11, 2013 at 2:20 PM, J. Ian Johnson <ianj at ccs.neu.edu> wrote:

> I've since changed to using a dynamic-require, but still the memory limit
> is not respected. Why wouldn the globals from a dynamic-require be
> considered reachable outside the sandbox that calls dynamic-require?
> There's no other way to get it.
> -Ian
> ----- Original Message -----
> From: "J. Ian Johnson" <ianj at ccs.neu.edu>
> To: "David Vanderson" <david.vanderson at gmail.com>
> Cc: "dev" <dev at racket-lang.org>, "J. Ian Johnson" <ianj at ccs.neu.edu>
> Sent: Monday, September 9, 2013 2:01:02 PM GMT -05:00 US/Canada Eastern
> Subject: Re: [racket-dev] call-with-limits memory bound isn't actually
> bounding memory usage
>
> Ah, that would probably be the problem. Without having to modify too much
> code, would the proper way to call a function entirely within the sandbox
> be to use dynamic-require in the thunk, rather than require in the module
> using call-with-limits?
> -Ian
> ----- Original Message -----
> From: "David Vanderson" <david.vanderson at gmail.com>
> To: "J. Ian Johnson" <ianj at ccs.neu.edu>
> Cc: "dev" <dev at racket-lang.org>
> Sent: Monday, September 9, 2013 1:50:13 PM GMT -05:00 US/Canada Eastern
> Subject: Re: [racket-dev] call-with-limits memory bound isn't actually
> bounding memory usage
>
> Just to make sure, is the memory being allocated reachable from outside
> the sandbox?
>
> http://www.cs.utah.edu/plt/publications/ismm04-addendum.txt
>
> On 09/09/2013 01:29 PM, J. Ian Johnson wrote:
> > I don't use the gui framework at all. This is all just pounding on
> global hash-tables and vectors. Or are you talking about the sandbox
> queuing up callbacks?
> > -Ian
> > ----- Original Message -----
> > From: "Robby Findler" <robby at eecs.northwestern.edu>
> > To: "J. Ian Johnson" <ianj at ccs.neu.edu>
> > Cc: "dev" <dev at racket-lang.org>
> > Sent: Monday, September 9, 2013 1:16:51 PM GMT -05:00 US/Canada Eastern
> > Subject: Re: [racket-dev] call-with-limits memory bound isn't actually
> bounding memory usage
> >
> >
> > The framework will, sometimes do stuff that queues callbacks and,
> depending on how you've set up other things, the code running there might
> escape from the limit. Did you try putting the eventspace under the limit
> too?
> >
> > Robby
> >
> >
> >
> > On Mon, Sep 9, 2013 at 10:54 AM, J. Ian Johnson < ianj at ccs.neu.edu >
> wrote:
> >
> >
> > I'm running my analysis benchmarks in the context of (with-limits (* 30
> 60) 2048 <run-analysis>), and it's been good at killing the process when
> the run should time out, but now I have an instantiation of the framework
> that just gobbles up 15GiB of memory without getting killed. What might be
> going on here?
> >
> > Running 5.90.0.9
> > -Ian
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