[ndnSIM] Memory leaks

Saad SA maxpromindz at gmail.com
Tue Jan 31 10:14:02 PST 2017

No stabilization, it keeps growing up till the end of the simulation (Yes,
it finishes). So if the same simulation ran on two different computers; the
faster one would finish before, hence consuming less memory than the
slower, the growing stops just when the simulation ends. (You have a rate
of growing equal to X MB/s, so taking long time to finish would lead to
consume more!)


On Tue, Jan 31, 2017 at 7:56 PM, Alex Afanasyev <aa at cs.ucla.edu> wrote:

> > On Jan 31, 2017, at 8:31 AM, Saad SA <maxpromindz at gmail.com> wrote:
> >
> > Hi,
> >
> > I had an application on ndnSIM version 0.2.8, and it was working too
> fine. Now I'm using the latest version, I changed the old application to
> work over the new ndnSIM and noticed huge memory leaks that are
> proportional to the run-time; On some computer it took more time and
> consumed 10 GB of RAM !! and on another faster one, it took less, hence
> consumed less RAM (4 GB or less), both are still huge amounts of memory as
> I'm using a small topology with 18 nodes and an average frequency of 500
> requests/s; and all of that was running fine on the older version of ndnSIM.
> > Any ideas?
> Can you clarify a bit (if you can share a simple scenario that highlights
> the issue, it would be even better). Was the memory consumption growing or
> got to a point of high utilization and stabilized (you said it is run-time,
> but then mentioned that simulation finished).  The reason I'm asking is
> that the old version of ndnSIM had optimization of "virtual payloads",
> which is not available in the new version.  This has impact on the amounts
> of memory used, but it should be just a constant factor increase, not
> continuous increase during runtime.
> --
> Alex
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