Does SELinux Slow Down Fedora 15?
Written by Michael Larabel in Software on 4 June 2011. Page 2 of 4. 10 Comments

At least for the Intel Atom netbook, having SELinux enabled with Fedora's default policy appears to have no real impact on the OpenGL gaming performance.

With the Apache web-server disk test, one of the benchmarks where Fedora 15 had fell behind Ubuntu 11.04, there was a difference when SELinux was enabled (with either the enforcing or permissive modes) and when it was disabled. When switching off SELinux, the Apache performance went up by nearly 11% for this low-power Intel system.

With the PostgreSQL database benchmark, the SELinux settings yielded minimal differences in the number of transactions per second that could be sustained.

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