Re: how badly does encrypting the root file system crush my performance?

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On Mon, 25 Feb 2008, Jeffrey Ollie wrote:

> On 2/25/08, Alan <alan@xxxxxxxxxxxxxx> wrote:
> > >
> >  >   the context here might make this question inappropriate, but i
> >  > installed f9 alpha inside virtualbox in two different ways, with only
> >  > one difference -- whether the all-encompassing root file system was
> >  > encrypted or not.
> >  >
> >  >   within virtualbox, the encrypted VM is *waaaaay* slower than the
> >  > unencrypted one.  should i expect the same performance difference with
> >  > regular hard disk installs?  just curious.  i expected a difference
> >  > but this is *hugely* noticeable and almost unusable.
> >
> > That sounds like an artifact of virtualbox.  I am using full disk
> >  encryption on F9 alpha and I am seeing little, if any, slowdown.  Maybe
> >  64-bit helps.
>
> Same here, on i686.

ok, i'll do some benchmarking to try to figure out what's going on.
thanks.

rday
--

========================================================================
Robert P. J. Day
Linux Consulting, Training and Annoying Kernel Pedantry:
    Have classroom, will lecture.

http://crashcourse.ca                          Waterloo, Ontario, CANADA
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