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Message from discussion RailsSpawnMethod per virtual host
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johnsbrn  
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 More options Dec 20 2008, 10:24 am
From: johnsbrn <goo...@brianjohnson.cc>
Date: Sat, 20 Dec 2008 07:24:17 -0800 (PST)
Local: Sat, Dec 20 2008 10:24 am
Subject: Re: RailsSpawnMethod per virtual host
It's covered in this thread
http://groups.google.com/group/phusion-passenger/browse_thread/thread...
called "frozen processes". Basically in smart spawning mode the rails
process locks up and stops responding. I had a hard time debugging it
because killing it with SIGABRT didn't kill the process or produce a
stack trace in the log. I did get some information which pointed to a
problem with GC.start, but when I modified the code to use the new
rmagick destroy functions the process still froze up. At this point
I'm not even sure how to continue debugging it. It's definitely an
intermittent problem, it doesn't happen every time, but happens often
enough that it will lock up all the Rails processes in a short period
of time.

On Dec 20, 3:43 am, jeroen houben <jer...@supercool.nl> wrote:

> just out of interest, could you explain the issue with RMagick? Which
> version of RMAgick and passenger are you using?

> On Dec 19, 10:11 pm, johnsbrn <goo...@brianjohnson.cc> wrote:

> > I have a pressing need for per virtual host assignment of
> > RailsSpawnMethod. Would this require significant changes? I'd hate to
> > have to resort to running a couple of mongrels just for image
> > processing, but there is a serious issue with rmagick and smart
> > spawning.


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