Re: [Mongrel] Segmentation bug - file_column?

Cameron Booth Thu, 19 Oct 2006 09:53:29 -0700

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-0.3.13.4 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!

Cameron

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Re: [Mongrel] Segmentation bug - file_column?

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