superlifter design notes and a new proposal
paulh at hamjudo.com
Mon Aug 5 20:02:01 EST 2002
On Tue, 6 Aug 2002, Martin Pool wrote:
> When I talk about compressing message headers, I have in mind
> compressing everything that goes across the socket,
In my network, the links are slow, and the CPU's are fast, so I doubt
internal compression code could do much better than "ssh -C".
> Fast networks are a significant use case that ought to be considered.
> On GigE, having low processing overhead and being able to use things
> like sendfile() to transmit data are going to be enormously more
> important than the length of the header.
Which is another situation where compression code in rsync may not be a
Is there a big real world CPU penalty for letting ssh do the compression?
That would mean uncompressed bits go over the local socket, but the
network links are compressed.
More information about the rsync