If you're using attachment_fu and send_file then mongrel is handling the
sending of files. I had the same problem, spiking memory usage, until I
switched to using x_send_file. It pushes the file downloads to apache,
instead of mongrel. My memory usage has never spiked since...
The XSendFile plugin
http://tn123.ath.cx/mod_xsendfile/
Plugin to simplify using x-sendfile...
http://john.guen.in/past/2007/4/17/send_files_faster_with_xsendfile/
(e)
Thomas Balthazar wrote:
On 11/5/07, *Kirk Haines* <[EMAIL PROTECTED]
<mailto:[EMAIL PROTECTED]>> wrote:
On 11/5/07, Thomas Balthazar <[EMAIL PROTECTED]
<mailto:[EMAIL PROTECTED]>> wrote:
> I'm running a Rails application which must sort and manipulate a
lot of data
> which are loaded in memory.
> The Rails app runs on 2 mongrel processes.
> When I first load the app, both are 32Mb in memory.
> After some days, both are between 200Mb and 300Mb.
>
> My question is : is there some kind of garbage collector in
Mongrel?
> I never see the two Mongrel processes memory footprint decrease.
> Is it normal?
Ruby is a garbage collected language. Ruby has a conservative mark
and sweep garbage collector.
Memory usage like that is probably not a Mongrel issue (unless you
are
generating _very_ large responses in your application). It's likely
an issue with your code. What version of Ruby are you using? Are you
using any extensions?
Kirk Haines
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Hello Kirk,
Thanks for your answer.
I'm using ruby 1.8.5 (2006-08-25) [i486-linux].
The Rails app uses those plugins :
* acts_as_taggable_on_steroids
* attachment_fu
* exception_notification
* localization
Which kink of issues with my code could use that much memory?
If I load lots of records with Active Records, aren't they "unloaded"
at some times?
Thanks in advance for your help.
Thomas.
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