Comparing performance with sysbench: cpu and fileio
by Sven Vermeulen, post on Thu 18 April 2013Being busy with virtualization and additional security measures, I frequently come in contact with people asking me what the performance impact is. Now, you won't find the performance impact of SELinux here as I have no guests nor hosts that run without SELinux. But I did want to find out …
Simple drawing for I/O positioning
by Sven Vermeulen, post on Thu 18 April 2013Instead of repeatedly trying to create an overview of the various layers involved with I/O operations within Linux on whatever white-board is in the vicinity, I decided to draw one up in Draw.io that I can then update as I learn more from this fascinating world. The drawing's …