[Samba] Samba performance issues (compared win2k)

[Gerald Drouillard]

Isaac Ojeda Llebry wrote:
> We're running samba in our organization to serve files in a LAN to windows 
> machines (almost XP), and we're having some performance issues with small 
> files. With big files (ie, ISO images), it works pretty well. But, when small 
> files are involved in the transference, problems arise. In the same 
> environment, a Windows 2000 machine (the 'old' server) is able to send data 
> to clients nearly at double speed.
> 
> We've tried to change some parameters to make the performance better but... no 
> way.
> 
> So, we're looking for any idea or a point to start to search for some 
> additional info.
> 
> We are using in a Samba-3.0.7-1.3E, Linux AS 3 Update 4 box, with the Red 
> Hat's kernel 2.4.21-15.0.3.ELsmp.
> 
> Configuration is as follow:
> 
> # Global parameters
> [global]
>         workgroup = OURWORKGROUP
>         server string = Software Server
>         interfaces = eth1
>         auth methods = guest, sam, winbind
>         map to guest = Bad User
>         null passwords = Yes
>         guest account = ouruser
>         passwd program = /usr/bin/passwd %u
>         passwd chat = *New*UNIX*password* %n\n *ReType*new*UNIX*password* %n\n 
> *passwd:*all*authentication*tokens*updated*successfully*
>         username map = /etc/samba/smbusers
>         log file = /var/log/samba/smbd.log
>         max log size = 10240
>         max xmit = 65535
>         dns proxy = No
>         wins server = 192.168.10.10
>         ldap ssl = no
>         create mask = 0775
>         hosts allow = 127., 192.168.
>         cups options = raw
>         socket options = TCP_NODELAY SO_RCVBUF=8192 SO_SNDBUF=8192 
> IPTOS_LOWDELAY
> 
> 
Try:
	socket options = TCP_NODELAY SO_SNDBUF=65536 SO_RCVBUF=65536 IPTOS_LOWDELAY

Have a look at:
http://www.drouillard.ca/Tips&Tricks/Samba/Oplocks.htm

-- 
Regards
--------------------------------------
Gerald Drouillard
Technology Architect
Drouillard & Associates, Inc.
http://www.Drouillard.ca