https://bugzilla.samba.org/show_bug.cgi?id=8512
--- Comment #4 from John Wiegley <jo...@newartisans.com> 2013-11-17 09:02:51
UTC ---
Let me add my voice to the mix here. I'm copying a 1GB VOB file from an Ubuntu
ZFS server running Samba 4.1.1, to my Mac OS X 10.9 box.
iperf reports 112 MB/s (should be my theoretical maximum).
Copying with Path Finder over Samba: 99 MB/s.
Copying with rsync directly (using arcfour256): 92 MB/s.
Copying with dd over Samba: 67 MB/s.
Copying with cat over Samba (measured with pv): 69 MB/s.
Copying with rsync over Samba: 55 MB/s.
I'm using gigabit ethernet, obviously, with mtu set to 1500 and no TCP options
other than the following in smb.conf:
socket options = TCP_NODELAY SO_RCVBUF=131072 SO_SNDBUF=131072
These numbers are very stable over several runs, so I'm pretty curious now
about what's going on, especially with rsync.
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