[Mongrel] mongrel_cluster : up to 500 MiB memory

Cynthia Kiser cnk at caltech.edu
Wed Dec 10 15:20:34 EST 2008

You didn't specify exactly what you want to monitor but a lot of
people use Monit to monitor their mongrel clusters: 

I have also heard people talk about using 'god'


Quoting C??d B. <lists at ruby-forum.com>:
> Hi everyone,
> I've got some trouble with my RoR application running with apache
> (2.2.9) and mongrel (1.1.5).
> The site i manage has about 20'000 visits a day, and we run 14 mongrel
> instances switched with mongrel_cluster (1.0.5). The fact is, sometime,
> half of my mongrel instances are raising something like 500MiB memory
> and don't seem to work anymore.
> The server itself has 8 CPU's and 8Go of RAM.
> I read different how-to's about mongrel and mongrel_rails but most of
> them are just talking about how to start with mongrel.
> I would like to know if there is a way to monitor mongrel instance
> and/or how to improve my configuration?
> If anyone has a suggestion, it'll be very helpfull.

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