Question and feature requests for processor bound systems

Jan-Benedict Glaw jbglaw at
Thu Aug 18 11:03:31 GMT 2005

On Thu, 2005-08-18 04:45:21 -0500, Evan Harris <eharris at> 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.


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