Re: CF Auto-scaling with an external application

Koper, Dies <diesk@...>

Hi Giovanni,

You could take a look at this project that IBM recently open sourced, it does memory based scaling, and is written in Java.

Also note that since last week CF has an Incubation Project on App Auto-Scaling. You may find that by the time you finish your thesis, CF has an auto-scaling service.

Dies Koper

-----Original Message-----
From: Giovanni Napoli [mailto:gio.napoli2(a)]
Sent: Monday, March 28, 2016 4:34 AM
To: cf-dev(a)
Subject: [cf-dev] CF Auto-scaling with an external application

Hi everybody,
i'm studying Cloud Foundry PaaS for my thesis in Computer Science and one of the point i have to develop with this platform is tho project and then develop an external application, written in Java, that could provide to the platform a kind of auto-scaling service that isn't provided for Cloud Foundry by default.
The metrics i would to use for auto-scaling the apps is CPU and RAM usage. I know that using "bosh ssh" into the "runner" job, i can log in into the containers using "wsh" to use a bash terminal into the containers. However, here's my questions:
- is there a way to see, without connecting into the containers, what are the resources used by the apps? Maybe with a "top" or "htop" or whatever command?
- if not, i've seen that in the containers i can't launche this kind of commands to se rosource usage, isn't it?
- is there another solutions, maybe easier, to resolve develop this kind of application?
Any kind of suggestion would be great.
Thank you for your support.

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