Re: st: general debugging question

[Jeph Herrin <stata@spandrel.net>]

I'm closing the file handles, but good suggestion to -graph drop- each graph. I'll see if that works.

thanks,
Jeph


On 4/23/2013 1:37 PM, Christopher Zbrozek wrote:
> Hi Jeph,
>
> Are you closing your file handles (file close) and dropping your
> graphs from memory (graph drop) when you're done creating the
> corresponding output file/graph? I could see the Stata executable
> getting cranky if it has hundreds of file handles open or hundreds of
> graphs in memory, because those are unusual use cases and it's quite
> possible the executable's not designed to handle that.
>
> Best,
> Christopher Zbrozek
>
> On Tue, Apr 23, 2013 at 1:18 PM, Jeph Herrin <stata@spandrel.net> wrote:
> > All,
> >
> > I'm running Stata 12.1 on a Win7 64b machine (among others). I have -do-
> > file which takes about 12 hours to run;
> > it grinds through a large database, creating ~1600 reports each consisting
> > of plain text written out with -file-
> > statements and some Stata graphs exported as -wmf- files.
> >
> > The problem is that on every occasion that I have run this -do- file, Stata
> > has stopped after about 600-800
> > reports. It does not give an error - in fact, it simply hangs up, and does
> > not respond to any input, and has to be
> > shut down via killing the process. Because of this, I have no idea why the
> > program has hung - I can delete the
> > most recent report, restart, and it finishes everything fine. The machine is
> > not connected to the internet and
> > does no automatic updating etc, and, while one can never tell with Windoze,
> > it doesn't seem to matter what time
> > of day I run it. Running reports for a small sample (anywhere from 1 to 100)
> > has never produced the problem.
> >
> > This is a nusiance, especially as I would like to run this overnight so that
> > I might use the machine for other things during the day. I have tried
> > various tricks to try to trap the problem. However, none work, because it
> > seems to be
> > the Stata kernel that halts. First question: is there some way to find out
> > what is happening?
> >
> > The machine has 24gb RAM, but I still suspect that with the many graphs and
> > -file write- statements, some buffer or
> > other is overflowing. So second question: are there some buffers I can clear
> > within the loop that might resolve
> > the problem?
> >
> >
> > Thanks for any suggestions,
> >
> > Jeph
> > *
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