[Mongrel] Memory leaks in my site

Rob Sanheim rsanheim at gmail.com
Tue Mar 6 12:36:02 EST 2007


Can you do a dump of all the plugins you are using?  There are some
that are well known to be problematic with memory leaks.

- R0b

On 3/6/07, Joey Geiger <jgeiger at gmail.com> wrote:
> I've got issues with my rails application leaking memory as well. I
> can say it's not Mongrel's fault, as I was able to duplicate the
> situation in Webbrick.
>
> My problem happens because I'm using monit to make sure my site stays
> up, but in doing so, monit hits each of my mongrels every minute. I
> thought the memory issues had to do with images, send_data or
> something else, and what I found, is that on a site that does nothing
> but respond to this monit controller, the memory grew and grew.
>
> I'm guessing it has to do with the plugins I'm using, as when I tried
> the same thing on a fresh rails application, the memory grew, but
> capped off at about 35MB, where the full application loading all
> plugins continued to grow until I killed it, never recovering memory.
>
> So, for now, monit is the cause and solution to my memory problems. I
> was thinking about trying to create a handler for mongrel that monit
> can hit to verify that it's running, but then there's the possibility
> that mongrel is up, but my application is down.
>
> My other issue with using monit are the constant hits to the log
> files, which logger.silence doesn't help (at least the methods I've
> tried) If someone knows how to silence a controller completely, I'd
> love to know.
>
> Right now I'm a bit busy, but I think it would be a good test to add
> my plugins one at a time to a fresh application and check the memory
> usage after hitting it with a few thousand hits from apache bench.
>
>
> On 3/6/07, Ken Wei <2828628 at gmail.com> wrote:
> > 'gem cleanup' i did that, but still
> >
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> >
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