-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 On 08/07/2012 01:07 PM, William Roberts wrote: > Well as far as caching goes, their are cache misses, so as the amount of > data increase and your cache size stays fixed, they may be an issue... > > On Tue, Aug 7, 2012 at 6:02 AM, Ole Kliemann <ole@xxxxxxxxxxxxxxx> wrote: >> I read on some locations (Fedora FAQ...) that there is an overall >> performance impact of about 7% when running with SELinux. >> >> Does anyone know if this impact is dependent upon the number of types the >> policy has? I would assume no: A lot of types only take up memory and >> caching should prevent any impact on the runtime performance. >> >> But if there was a performance problem with a lot of types, at what >> number n would it start to hit hard? And how does it increase (linear, >> quadratic...)? >> >> And would it be better performance-wise to run a MCS-policy with say >> categories c0.cn than to have types c0_t, ... cn_t? >> >> Ole > > > Also 7% is ridiculously high. I would do your own measuring of SELinux and I think for most work loads it is lot closer to unmeasurable difference. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/ iEYEARECAAYFAlAhUgYACgkQrlYvE4MpobMzcACdEccYKiyfZVeTQYF/06aKwc7i tU4An1JeSEo6qcfNsIBzeZBn01fLN8KM =Z4gW -----END PGP SIGNATURE----- -- This message was distributed to subscribers of the selinux mailing list. If you no longer wish to subscribe, send mail to majordomo@xxxxxxxxxxxxx with the words "unsubscribe selinux" without quotes as the message.
