[systemd-devel] [HEADSUP] systemd Optimizations

[Daniel J Walsh]

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On 05/13/2012 04:44 PM, Lennart Poettering wrote:
> Heya,
> 
> I just put together a first version of a wiki text explaining a couple fo
> ways to improve system boot-up performance even further:
> 
> http://freedesktop.org/wiki/Software/systemd/Optimizations
> 
> I hope this is useful both to folks working on distributions and those 
> working on appliances to get the most out of systemd. It lists both 
> suggestions that are easily made locally, and changes that need hacking but
> we'd like to go systemd upstream eventually.
> 
> We'll try to keep this up to date.
> 
> If you do systemd optimization work, this should be the first place to go
> to!
> 
> If you have further suggestions for additions to this page please ping us!
> 
> Lennart
> 

We have added some ability to optimize the loading of file regex in libselinux
in the F17 libraries.  We might want to look at using this to shrink the 100ms
SELinux startup time penalty.  You could use a prefix for /dev, /var/run and
/run, /tmp and eliminate building the regex for all file context under /usr,
/var/ /etc
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