5210R/5211R YUM updates and new install media

Another performance increasing YUM update has been released for BlueOnyx.

You all know the pretty CPU-, Memory-, Network-Usage and Disk Usage stats that the BlueOnyx GUI displays? These here:

We originally implemented them using Prometheus and node_exporter and then just threw some jQuery and PHP at it for displaying them. However: As great as Prometheus is? It's also a resource hog. Especially for what little we actually do with all the data that it aggregates.

To free up considerable CPU cycles and I/O traffic the latest YUM update will deactivate both Prometheus and node_exporter, as the data aggregation of just the few data-points that we need has been merged into our new cced-api. The bottom line here is that we do not need a constantly running service in the background for this purpose - let alone two. Our cced-api can serve the data-points for these graphs on demand and only when requested.

On virtualization nodes with many BlueOnyx CTs or VPS's the performance increase and load reduction and reduced I/O traffic is quite noticeable and that makes this a pretty meaningful update. So we net no loss of features here and gain a much better overall performance.

These YUM updates are now available for BlueOnyx 5210R and 5211R. Additionally updated ISO images an Incus images have been published and can be found at the usual places.