Re: [Matplotlib-users] Memory leak involving matplotlib in webapplication

[John H. <jd...@gm...>]

On Thu, Oct 13, 2011 at 12:42 AM, Viktor Forsman
<vik...@gm...> wrote:
> Hi,
>
> I have problems with a memory leak in a webapplication involving matplotlib.
> Basically, I have a function which usies the OO way of generating the graph,
> printing it to a StringIO object and returning that. I've posted a question
> with the details on stackoverflow
> (http://stackoverflow.com/questions/7740832/need-help-identifying-a-memory-leak-involving-matplotlib-and-flask).
> Any ideas are highly appreciated.

What version of matplotlib and numpy are you using?  Does it help to do:

    import gc
    gc.collect()

after a call to plot total or plot month?

Also, you appear to be adding data to "plot_values" and storing this
on every call.  Are you sure the leak is in mpl and not here?
JDH