Maybe the upgrade installed fastthread?
Most likely though it's related to the Rails app itself, not Mongrel,
and isn't immediately reproducible. Cache freshness could have a large
effect on which codepaths get traversed.
What did you add that Thread loop for? I don't understand.
Evan
On Mon, Apr 28, 2008 at 4:14 PM, Roger Pack <[EMAIL PROTECTED]> wrote:
> Previously posted on ruby talk. Response...silence :)
>
> ......
> Perhaps someone out there can help give me a clue about the following
> situation:
>
> My mongrel processes seemed to be leaking.
> As an example of this, if I added this code to the bottom of
> environment.rb
> Thread.new {loop do; print 'w'; end}
> it didn't affect memory. At first. However after the web server got
> its
> first hit its memory consumption would sky-rocket. [i.e. it would
> monotonically grow by about 50MB/s]
>
> Then I ran the same scenario using webrick, instead of mongrel [1.1.3].
> No leak.
>
> Then I'm thinking 'hmm maybe it's mongrel and the mongrel guys have
> fixed this.'
>
> Update my gem to 1.1.4 from 1.1.3.
> Using mongrel this time.
> No leak! Yea!
>
> Now this is the weird part.
> Attempted to recreate the bug.
> Uninstalled mongrel 1.1.4, reinstalled 1.1.3
> uninstalled daemons [its dependency] 1.0.10, reinstalled 1.0.9 [what I
> had before].
>
> Ran it with Mongrel again [which is where it used to leak].
> No leak.
> I am so confused!
> Perhaps rubygems was updated and so it "compiled it right this time"?
> Note that there don't appear to be significant code changes in mongrel
> from 1.1.3 to 1.1.4, though there could be, I'm not sure. It's probably
> not even a mongrel problem.
>
> Maybe if somebody else who 'suspects' a memory leak could try my code
> and see if it leaks theirs, that would be well appreciated.
>
> The good news is that "maybe" updating rubygems and recompiling mongrel
> helps with memory leaks in rails apps.
>
> Thoughts?
> -R
> OS X PPC patchlevel 111
> --
> Posted via http://www.ruby-forum.com/.
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> [email protected]
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>
--
Evan Weaver
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