From: Michal Suchanek <hramrach@...>
Date: 2008-04-02T19:02:14+09:00
Subject: Re: GC help

On 31/03/2008, Tim Hunter <TimHunter@nc.rr.com> wrote:
> Joey Marino wrote:
>
> > I found out it is not the 3rd party code. I am downloading images
> (~320,000
> > ct.) as strings, and saving each to a file. The file handlers are getting
> > closed. Using the Dike gem, I think I determined the bulk of the leaked
> > memory is in these string variables. But what I don't understand is that
> the
> > variables containing the strings are local to a method of an object and
> > should be unreferenced when that method is done, right? I've invoked GC at
> > the end of the method and after each iteration that the method gets
> called.
> > I've even set the strings to nil after they've been saved to a file and
> > before gc is called. The app is using 2G of ram and 4G of swap before it
> > runs of out memory and crashes about 1/3rd of the way through. I'm really
> > starting to doubt Ruby's ability to do memory intensive work. Any ideas?
> >
>
>  Many people have used Ruby for long-running tasks that use a lot of memory.
> If Ruby was not collecting unused strings, don't you think somebody would
> have noticed it by now?

I have noticed :->

Michal