removed the socket options let linux deal with it on it's own.
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From: samba-boun...@lists.samba.org [mailto:samba-boun...@lists.samba.org]
On Behalf Of live.fx
Sent: 14 March 2010 11:59
To: samba@lists.samba.org
Subject: [Samba] Samba 3.5 slow. Help with benchmarks
Many Thanks for answers..
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i can find it? May be some standard benchmarks?
Can SAMBA transfer files faster than 25 MB/sec ?
Someone have this transfer speed with SAMBA ?
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I get about 51MB/sec over my gigabit LAN, serving from Samba 3.4.0 on
Ubuntu Karmic amd64 to smbclient 3.3.6 on FreeBSD 7.3-R amd64.
5tb# smbclient -I 192.168.0.20 -U user //192.168.0.20/share -c get 1G.bin
Enter user's password:
Domain=[BANSHEE] OS=[Unix] Server=[Samba 3.4.0]
getting file
directions) and one Windows 7
machine with 80-100 MB/s.
This fact removes all claim from SAMBA server.
Thanks for testing!
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socket options = SO_BROADCAST SO_KEEPALIVE SO_RCVBUF=8192 SO_SNDBUF=8192
TCP_NODELAY IPTOS_LOWDELAY
It has been repeated ad nauseam that with modern kernels you shouldn't
use socket options unless you know very well what you are doing and
you have a very good reason for doing so.
/|use sendfile|/ = yes
Ooops! Something went wrong with copy/paste. Of course the option should be:
use sendfile = yes
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Windows - Server = 14-20 MB/sec. And this is my most pain :(
Linux - Server (CIFS) = 10-20 MB/sec
Can you show me, how yours SAMBA work in Gigabit LAN ? What speeds ?
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I use socket options because 99% places in Internet recommends this, and
no one say about modern kernels - really. You are first :) And of course,
this options not give me any visible effect.
The problem with the information on the Internet is that it persists,
even if it is no longer
Can you show me, how yours SAMBA work in Gigabit LAN ? What speeds ?
I can't measure them right now but I can tell you that I have 2 networks
consisting of Samba Domain Controllers serving only Windows clients and
the network speeds are very high. One of the networks is dedicated to
performance tuning
and contain socket options improvements.
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I`m about google search. Most results is about samba performance tuning
and contain socket options improvements.
I just did a search in Google and I also found the warnings about the
use of sockect options with Linux kernel 2.6. So, I suppose that one
finds what one is looking for...
I`m about google search. Most results is about samba performance tuning
and contain socket options improvements.
Socket options will not quadruple your speed.
I would start by investigating the reason for slowness. Is this with
small files? What performance do you get for a 4GB file? Could
I just did a search in Google and I also found the warnings about the use of
sockect options with Linux kernel 2.6. So, I suppose that one finds what
one is looking for...
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I have seen enough recommendations not to mess with the socket options
on modern kernels.
John
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From John H Terpstra, one of the Samba developers:
This parameter is counter-productive since the 2.6 kernel auto-tunes
the socket send and receive buffer sizes. Suggest you delete it.
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Hallo, John,
Du meintest am 14.03.10:
I just did a search in Google and I also found the warnings about
the use of sockect options with Linux kernel 2.6. So, I suppose
that one finds what one is looking for...
I have seen enough recommendations not to mess with the socket
options on modern
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want to look what SAMBA can do.
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Helmut Hullen wrote:
Give a man a switch, and he'll switch!
Viele Gruesse!
Helmut
What about? What switch you mean?
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Give a man a switch, and he'll switch!
What about? What switch you mean?
The switch here is a metaphor for ability to change the default
socket options.
Basically giving you an ability to change some setting does not mean
the setting will help if you do change it.
John
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