[Samba] Tunning samba for better read performance
Jagan Teki
jagannadh.teki at gmail.com
Wed Nov 19 02:28:38 MST 2014
On 19 November 2014 14:51, Daniel Carrasco Marín <d.carrasco at ttu.es> wrote:
> Hi,
>
> Of course CPU speed and Drive speed are bottleneck but the download speed is
> very slow even for a low end PC, maybe you have the same problem i had.
>
> What version of samba do you have? and, do you have any "audit" addon in
> samba conf? (full_audit:...).
Samba version - 3.6.22
I couldn't see any audit addon on my smb.conf
This is my smb.conf
[global]
netbios name = %h
server string = Samba %v on (%h)
domain master = no
local master = no
preferred master = no
host msdfs = no
os level = 0
passdb backend = smbpasswd
load printers = no
printcap name = /dev/null
use sendfile = yes
client signing = no
server signing = no
display charset = UTF8
unix charset = UTF8
min receivefile size = 128k
max connections = 50
max log size = 1000
log file = /var/log/samba/log.smbd
# If using samba 3.6, uncomment below to enable SMB2
max protocol = SMB2
[media]
comment = Public share
path = /media/mydisk
readonly = no
writeable = yes
guest ok = yes
[homes]
comment = User Home Directories
browseable = no
valid users = %S
writable = yes
readonly = no
>
> I got similar problem in a server with samba 3.5.6, upload speed was OK but
> download speed was very slow, and the problem was audit addon. LAN, HDD, and
> CPU usage was near to 5% but download speed was very slow.
>
> Greetings!!
>
> El 19/11/14 a las 10:09, L.P.H. van Belle escribió:
>
>>
>> What mainboard is this? aka a bit more info on the hardware.
>> It is a nas mainboard or something like that.
>>
>> Im getting 115Mb/s read and write from a windows 7.
>> ( asrock E350 AMD board )
>>
>> 1Gb interface does not mean it can reach the max speed, cpu is also
>> important in this,
>> so for that we need more hardware info.
>>
>> I did a few of these :
>> http://www.sysprobs.com/windows-7-network-slow
>> 1 is the most important.
>> 2 stops auto update, so dont do that.
>> 3) possible, what you want.
>> 4) not really needed.
>> 5) what you want.
>> 6) This can be a point to check, make sure you have the latest NIC
>> drivers.
>>
>> and no changes at samba side for me. ( only the defaults from install )
>>
>> I get these speeds with : ( tested, and what is see in windows )
>> samba 3.6.6 ( Debian samba ) stand server 115MB/s
>> samba 4.1.6 ( Ubuntu samba ) stand server 108MB/s
>> samba 4.1.13 ( Ubuntu sernet samba ) AD DC server 112MB/s
>>
>>
>> Louis
>>
>>
>>> -----Oorspronkelijk bericht-----
>>> Van: jagannadh.teki at gmail.com
>>> [mailto:samba-bounces at lists.samba.org] Namens Jagan Teki
>>> Verzonden: woensdag 19 november 2014 8:19
>>> Aan: samba at lists.samba.org
>>> Onderwerp: [Samba] Tunning samba for better read performance
>>>
>>> Hi,
>>>
>>> I'm running samba server on board and client is windows 7.
>>>
>>> I did below steps for performance tests.
>>> + format /dev/sda1 with ext4
>>> + mount the drive in server as mentioned in [media] path of
>>> /etc/samba/smb.conf
>>> + created a root password
>>> $ smbpasswd -a root
>>> + 1Gb ethernet interface from board.
>>> + map the driver in windows
>>> + did a 4gb robocopy
>>> + read got 13MBps and write got 105MBps
>>>
>>> Could any one suggest me any inputs why read got too slow, do
>>> I need to look
>>> at any config options in /etc/samba/smb.conf
>>>
>>> thanks!
>>> --
>>> Jagan.
>>> --
>>> To unsubscribe from this list go to the following URL and read the
>>> instructions: https://lists.samba.org/mailman/options/samba
thanks!
--
Jagan.
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