Host Filesystem Impact on Tempest Performance in OpenStack

As I mentioned in a previous post, about a year ago I picked up a 1U server from EBay to use as a local single-node OpenStack environment. In general I was quite happy with it, but at some point I got tired of paying for electricity to run a fairly power-hungry server that sits idle, or close to it, about 95% of the time. The fans also picked up an annoying whine somewhere along the line, so once I discovered how much more efficient a modern desktop processor would be, while actually performing better than the old dual server ones, I decided it was time for a new box. This post will be the story of my journey to get Tempest running in an acceptable fashion on it, and what I learned along the way.

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