DevOps ISPs performance python performance virtualisation web performance

Trying out Rackzar’s AMD Ryzen VPS

Was able to try out Rackzar’s AMD Ryzen VPS recently. This post is about the experience and performance. The UI to Create The user interface is easy to navigate and there is lots one can do. It looks very similar to hostking’s. Wondering if this is a standard frontend that can be deployed by infrastructure […]

Hardware performance python python performance virtualisation

CPU and FastAPI Performance

When migrating a FastAPI and WordPress website to a different VPS (virtual private server) provider it was noted that response time and requests per second were impacted negatively. Response times were 2 times slower. It was then noted that the cpu performance could be playing a big factor in this difference in performance. In this […]

pyvmomi virtualisation

How get Vlan from Portgroup Information from the Vcenter API?

How do you get portgroup information from the vcenter api? It is more of an NSXv construct and it is difficult to get the portgroup information from the vcenter api – even though you need it to create and attach logical switches and distributed switches. You can use pyvmomi to get the vlan id from […]

API virtualisation vmware vcd rest api

How to update, change and delete a storage Profile with VCloud Director REST API

Recently I was tasked with removing a few attached storage profiles from a number of VDC’s in vCloud Director. The task would have been a long and arduous manual task. Fortunately vCloud Director has a REST API (A flippen good one). The reason I say it is good is that it makes proper used of […]


Virtual Environment Utilities and Resources

I’ve been looking at what is available to help manage a virtual environment, that favours open source. It is important to know the difference between a VM, VPS and Container. VM – Full VIrtual Machine, has it’s own kernel. VPS – VPSs always run on the same OS kernel as the host system Container – […]