[CentOS] How to speed up Rsync transfers

William L. Maltby CentOS4Bill at triad.rr.com
Sat Feb 23 01:01:25 UTC 2008


On Fri, 2008-02-22 at 16:36 -0800, MHR wrote:
> On Fri, Feb 22, 2008 at 1:43 PM, Dan Carl <danc at bluestarshows.com> wrote:
> >
> > I just ran a test from one local box the another on a 100Mbit link and the
> > fastest transfer OI got was 10MBytes/second but most were between
> > 1MBytes/second and 4MBytes/second.
> >
> 
> I could be wrong (it happens), but the best performance you are likely
> to get from a 100 Mbit/s link would be right around 10 MByte/s.
> 
> I think the rest of the time would have to be attributed to memory and
> file consumption fomr the way rsync works, as discussed previously on
> this list.
> 
> Just my $0.02.

I agree. I just calc'd it out at roughly *maximum* 12.5MB, assuming
standard packet sizes. Plus, IIRC, OP said link was 750KB. I don't
recall if OP was trying to resync over that or over and internal 10 or
100 LAN. If over a LAN, I can't figure what the ISP 750KB link had to do
with anything.

> 
> mhr
> <snip sig stuff>

-- 
Bill




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