[Mongrel] Segmentation bug - file_column?

Cameron Booth cameron at theworkinggroup.ca
Thu Oct 19 12:42:50 EDT 2006

On 19-Oct-06, at 3:11 AM, Zed A. Shaw wrote:

>> Hi there everybody,
>> We're having mongrel processes slowly die on us, with a segmentation
>> fault. I've seen a few other people mention similar issues. Any info
>> or suggestions would be nice:
> <snip>
>> Do you think the problem is in file_column somewhere? The line it
>> mentions is where it is calling ImageMagick:
> Looks like a bug in ImageMagick that's probably made worse by  
> something Mongrel does (threads or IO possibly).  I'd suggest that  
> if you can't keep it running solid then hook up a monit process on  
> the mongrel machine(s) to keep them going.  There's a monit sample  
> in the mongrel gem's source under examples you can use as a start.

Thanks for the very quick response Zed. Setting up montoring makes  
perfect sense... I think I was so embedded in trying to figure things  
out it didn't cross my mind at all.

However, here's my next question - maybe I'm just not understanding  
it properly, but I don't see the monit(or) script you mention in the / 
examples dir of the mongrel- gem. There is  
mongrel_simple_ctrl.rb and mongrel_simple_service.rb, but I'm not  
sure that those are what you meant.

Can anybody point me in the right direction?

And as other people have mentioned Zed....thanks so much for all the  
hard work you're putting into this!

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