massimo.canon...@gmail.com> wrote:
> Hi,
> I would like to set up an exercise for my students concerning a kind of
> load balancing problem.
> Suppose to have a web server with a web site created by using a CMS
> (joomla/drupal).

> This CMS needs apache, php, a file system (of course) and MySql.
> Put all those stuff in a VM and run it.

> Suppose that a monitoring tool detects that the VM needs a clone of the
> instance in order "slow down" the load. How can I set it up?

> Observations:
> - create a VM with apache+php+joomla+MySql should not be a problem
> - monitor the cpu level and create a clone of the previous machine should
> not be a problem (by using snapshot)
> - how I can split the HTTP requests in those two instances could be a
> problem (that is, I'm not sure how I can implement it)
> - how I can manage the file system and MySql (since they must be perfectly
> synchronized) could be a problem (that is, I'm not sure how I can implement
> it)

> How would you realize this kind of exercise?

> Thanks,
> Massimo

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