NFS is slowing things down even more than your bandwidth measurements as
it is also forcing --whole-file.
On 8/2/23 05:03, Perry Hutchison via rsync wrote:
Sebastian G??decke via rsync <rsync@lists.samba.org> wrote:
We're facing some flapping traffic when rsyncing atm 70T from
one server to an DELL Isilon.
Both systems are connected with 10G Fiber (not Channel).
So we started with one simple "rsync -a /src /dest" to the DELL
by using NFS3.
...
I always thought (and had observed it so far with rsync) that it
makes full use of the network card ...
If you are using NFS, it is NFS -- not rsync -- which is managing the
network traffic. In such a setup rsync will perform about as well as
cp(1).
--
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