How to control processes passenger / mod_rails?

I already searched the site, but did not find any suitable information. Since there is always an expert, I'm sure one of the guys knows exactly what I'm looking for :-)

We are on a balanced system:

Machine 1:     HAProxy load balancer
Machine 2 & 3: Apache mod_rails and (of course) our Rails applications

These were the days when we could track all Mongrel processes using monit (or other monitoring tools).

Is there a way to make easy and smart monitoring of passenger processes using monit (or other tools)? How can I dynamically get all pids of running processes and submit them for monitoring?

Matt

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4 answers

Various options are available. Here is some of them:

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htop

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