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

[Jeffrey Ollie]

On 2/25/08, Alan <alan at clueserver.org> 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.

Jeff