Re: TFile memory leak?

Hi Akira,
You could use "valgrind" utility to check whether the problem is really a memory leak. Maybe you already knew it. Valgrind has become crucial for me: http://valgrind.org/

Regards.
Claudi

El 08/09/2010, a las 22:14, OKUMURA, Akira escribió:

> Hello ROOTers,
>
> This question may be a very basic one but I could not find similar
> questions on the web.
>
> http://slac.stanford.edu/~oxon/tmp.tgz
>
> This tgz file includes a .root file and a very simple script which
> opens TFile 10000 times. When I execute the script,
>
> root [0] .x test.C
>
> the memory usage of the process becomes more than 1 GB while all
> TFile instances are closed.
>
> The .root file was created via TPad::SaveAs, as follows.
>
> root [0] TCanvas can("can", "can")
> root [1] TH2D* h = new TH2D("h", "h", 100, -3, 3, 100, -3, 3)
> root [2] h->FillRandom("gaus", 1000000)
> root [3] h->Draw()
> root [4] can.SaveAs("aho.root")
>
> How can I suppress this large memory consumption? I am not sure if
> this is an intended behavior or memory leak.
>
> I am using svn trunk on Snow Leopard and SL 5.
>
> Regards,
>
> --
> OKUMURA, Akira oxon@{astro.isas.jaxa.jp,stanford.edu}
> Institute of Space and Astronautical Science (ISAS/JAXA)
> Now at KIPAC/SLAC/Stanford
> Varian Physics #306
> 382 Via Pueblo Mall, MC 406 Stanford, CA94305
> TEL 650-736-0971/FAX 650-724-5065
> Skype : okumura.akira
>
Received on Wed Sep 08 2010 - 23:31:43 CEST