On Wed 2006-08-09 02:37:45, Hans Reiser wrote:
> Pavel Machek wrote:
>
> >
> >
> >Yes, I'm afraid redundancy/checksums kill write speed,
> >
> they kill write speed to cache, but not to disk.... our compression
> plugin is faster than the uncompressed plugin.....
Yes, you can get clever. But your compression plugin also means that
single bit error means whole block is lost, so there _is_ speed
vs. stability-against-hw-problems.
But you are right that compression will catch same class of errors
checksums will, so that it is probably good thing w.r.t. stability.
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures)
http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
