VM Optimizations for RT

QEMU/KVM are a popular backend for OpenStack. In StarlingX Openstack (stx-openstack) this is also the case. I’ll try to describe various techniques that I used to optimize RT behavior on an STX 4.0.1 cluster with worker nodes. Terminology Bare-Metal is a a physical computer and it’s base OS Host is a bare-metal machine that runs VMs Thread is a core of a CPU CPU thread refers to the thread on the host system CPU ...

November 10, 2020 · 1 min · 176 words

First Steps With OpenStack

I recently tried to set up OpenStack on a single-node development environment using devstack. This blog is not meant as a tutorial or getting started guide. However, I hope that Google will send someone crying tears of sorrow this way so he can benefit from my experience. Conclusion What I concluded from the documentations is that we don’t get something ready-to-go from the official docs. And you should consider yourself lucky if everything worked for you out-of-the-box. ...

April 26, 2019 · 1 min · 212 words