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

Moving onto more computational tests, of course, there's no difference.

The modern SELinux implementation appears to have very little overhead.

The Apache web-server was affected the most by SELinux where disabling it had resulted in 11% more transactions per second being handled. With other select workloads pegging the disk drive, SELinux did have a small negative impact, but overall it was not that great. There are other changes that could be made to the file-system settings and other areas of the Linux installation to more dramatically influence the performance one way or the other. In the other tests, SELinux had no visible difference. These results can also be found on OpenBenchmarking.org.

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Michael Larabel is the principal author of Phoronix.com and founded the site in 2004 with a focus on enriching the Linux hardware experience. Michael has written more than 20,000 articles covering the state of Linux hardware support, Linux performance, graphics drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and OpenBenchmarking.org automated benchmarking software. He can be followed via Twitter or contacted via MichaelLarabel.com.


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