I think you’re trying to stress test your vps?

But I’m equally as clueless as everyone else is as to why you’d possibly want to, what’s it going to do? Say you sign 10txs per sec here and then it rises once the instance gets more ram... 

Also, what operating system is it, what client are you using? I’m sure there’s a python bitcoin library that will preform a lot differently than bitcoin cores one for example. Maybe you’re trying to test the fastest client or something but until you give us that we will all be stuck.

If people don’t reply the way you want you’re usually on the marketplace or the alt section not tech support.