Basically what I did was define a link to the target where there was a heavy file for the servers to make the requests there. I created some accounts to set the same target so requests would be made faster. So my server started receiving several requests to "download" this file, and as there were many servers making the request to the same place, my server had to create several threads and send the data from this file to each server, leading to a high bandwidth traffic and processor heat.