Question and feature requests for processor bound systems

Jan-Benedict Glaw
Thu, 18 Aug 2005 11:03:48 -0000

On Thu, 2005-08-18 04:45:21 -0500, Evan Harris <eharris@puremagic.com>
wrote:
> Is there any way to disable the checksum block search in rsync, or to
> somehow optimize it for systems that are processor-bound in addition to
> being network bound?

By design, rsync trades CPU power for bandwidth.

> Option 4: Add an option, maybe --optimize-cpu, or --weak-checksums that
> would tell rsync to only use weak checksums up until the point in the file
> where the weak checksums first differ, and then fallback to the normal weak
> and strong checksums from there on.  This is a hint that most likely the
> file is appended to, but will still catch most occurances where a file was
> modified.

Option 4: tar over netcat.

MfG, JBG

--
Jan-Benedict Glaw       jbglaw@lug-owl.de    . +49-172-7608481             _ O _
"Eine Freie Meinung in  einem Freien Kopf    | Gegen Zensur | Gegen Krieg
_ _ O
 f?r einen Freien Staat voll Freier B?rger"  | im Internet! |   im Irak!
O O O
ret = do_actions((curr | FREE_SPEECH) & ~(NEW_COPYRIGHT_LAW | DRM | TCPA));
-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Type: application/pgp-signature
Size: 189 bytes
Desc: Digital signature