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Thread: Does SELinux Slow Down Fedora 15?

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  1. #1
    Join Date
    Jan 2007
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    14,788

    Default Does SELinux Slow Down Fedora 15?

    Phoronix: Does SELinux Slow Down Fedora 15?

    Earlier this week there were Fedora 15 vs. Ubuntu 11.04 benchmarks looking at the overall system performance as well as the power consumption. Both of these Linux distributions had performed close to one another, as is expected considering the similarities in their kernel and other packages, but there were some discrepancies in the disk tests. Speculations in the forums were that some of the performance differences might be attributed to SELinux, so here are some tests seeing the performance impact of SELinux on Fedora 15.

    http://www.phoronix.com/vr.php?view=16094

  2. #2
    Join Date
    Oct 2008
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    143

    Default

    Disabling SELinux had resulted in the PostMark mail server test profile yielding 5% higher performance than the stock Fedora 15 settings.
    No. Run the test 10 times and then we'll see

  3. #3

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    I'm not sure if this is good for Fedora the differences are, so small (which is great for SELinux). Maybe it was lvm which affected Fedora performance in comparision to Ubuntu? Anyway, thanks for the benchmarks.

  4. #4
    Join Date
    Jun 2011
    Posts
    5

    Default How needs SELinux anyway?

    I always disable it, it just causes problems.

  5. #5
    Join Date
    Sep 2008
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    55

    Default

    Quote Originally Posted by felipec View Post
    I always disable it, it just causes problems.
    Indeed... security so strong, you can't use your computer.

  6. #6
    Join Date
    Sep 2008
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    989

    Default

    Quote Originally Posted by dsmithhfx View Post
    Indeed... security so strong, you can't use your computer.
    But you'd be a fool not to run it on a server with an exposed port listening on the public internet. Any kind of attack surface and you definitely want to run it.

    Heck even a web browser can be an attack surface.

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