Re: [PhillyOnRails] Memory leaks in my site

[Mat Schaffer <schapht@gmail.com>]

On Jan 14, 2007, at 7:46 PM, Mike Zornek wrote:

> My company site is a rails app. Lots of pages are pretty plain, but  
> I do run
> a custom blog, some basic contact forms, and some automated content  
> stuff.
>
> http://clickablebliss.com/
>
> Anyways, over the last few weeks I've watched as the 2 mongrel  
> processes
> that power the site grow in memory footprint to the point where  
> they'll
> chock my server and everything will die.
>
> It's strange cause I haven't done any real architectural changes and
> activity is not at it's peak. (Oct 2006 was clearly by busiest  
> month) so I'm
> really sure why this is happening.
>
> I've started playing around with this memory profiler but haven't  
> noticed
> what might be leaking just yet:
>
> http://scottstuff.net/blog/articles/2006/08/17/memory-leak- 
> profiling-with-ra
> ils
>
> I also hope to be more aggressive with caching to avoid hitting the  
> rails
> stack at all. (though I'm running into another issues where I can't  
> get
> Apache to serve the cached rss feed with a application/xml mime  
> type, which
> some readers will barf on).
>
> Overall, has anyone else run into memory leaking before and how did  
> you work
> to find/fix it?
>
> FYI, the stack I use is pretty much the default one I get with Rails
> machine:
>
> http://railsmachine.com/solutions
>
> Thanks for you help/suggestions.
>
> ~ Mike

I haven't seen the problem myself, but it brings to mind some  
discussion I vaguely remember from the ruby talk mailing list.  I  
found these threads, but nothing really conclusive:
http://preview.tinyurl.com/tlykd (google groups search)

First I'd try to make sure you're running the latest mongrel release,  
then if you still have the problem consider emailing Zed Shaw, either  
directly or via the ruby talk mailing list.  He's pretty responsive  
and already helped me with an interesting problem regarding curl/ 
mongrel interactions.

Hope that helps some,
Mat



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