Bartosz Stec wrote:
BTW overall SAMBA performance still sucks on 7.1-pre as much as on
RELENG_5 ...:( - 7.5 MB/s peak.
7.5MB is 75% effeciency of a 100mbit card. Not amazing, but
not "sucks".
Where do you see faster performance?
Between windows machines on the same hardware or linux server?
It sucks because it is a peak performance. About 5-6 MB/s average. I
tried polling only because I found some suggestions on mailing lists,
that it could improve performance with SAMBA on FreeBSD. As you see at
the top of this thread - not in my case :) I also tried sysctl tunings,
and smb.conf settings, also suggested on maling lists, with no or very
little improvements noticed. Most of suggestions unfortunately end with
"change OS to Linux if you want to use SAMBA". I think I will try to
change NIC to 1Gbit - hope that helps :) Or maybe there's some "FreeBSD
and SAMBA tuning guide" which I didn't found?
Please try experimenting with "socket options" in smb.conf, I've found
that some tuning is desirable on any OS with Samba, but these are the
values that worked best for me with Windows XP clients in mind. Win2003
clients seemed much faster without tuning (same base code as XP 64bit)
and I suspect it has a different SMB implementation. I'd suggest
starting with "socket options = TCP_NODELAY IPTOS_THROUGHPUT
SO_RCVBUF=8192 SO_SNDBUF=8192" and if you aren't satisfied, experiment
with the numbers and which options are enabled. Be sure that the
client has been disconnected from Samba completely to make sure you are
testing the values in the config file. I'm pretty sure with these
tunings I was able to get closer to 10MB/sec on 100Mbit, which satisfies
me for the average user.
# Most people will find that this option gives better performance.
# See smb.conf(5) and /usr/share/doc/samba-doc/htmldocs/speed.html
# for details
# You may want to add the following on a Linux system:
# SO_RCVBUF=8192 SO_SNDBUF=8192
# socket options = TCP_NODELAY
# For some reason, 8192 is pretty fast on a XP lab 100Mb client. Other
sizes tested and dissapointing in that situation. Windows Server 2k3 on
gig is much faster, and likes larger values. There might be some merit
in testing 49152 in some situations. (20080617)
# TCP_NODELAY makes a huge improvement. IPTOS_THROUGHPUT is negligible
locally.
# mcdouga9 20070110
socket options = TCP_NODELAY IPTOS_THROUGHPUT SO_RCVBUF=8192
SO_SNDBUF=8192
# socket options = TCP_NODELAY SO_RCVBUF=8192 SO_SNDBUF=8192
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