[Samba] Tunning samba for better read performance
Jagan Teki
jagannadh.teki at gmail.com
Wed Nov 19 04:23:06 MST 2014
Thanks for your data.
On 19 November 2014 16:13, L.P.H. van Belle <belle at bazuin.nl> wrote:
> Hai,
>
> I dont think its you windows pc.
> i dont think its samba.
>
> I think its the device or cable or switch port.
>
> A simple test with windows 7 is ( run as administrator CMD )
> netsh interface tcp set global autotuning=disabled
> and reverse with
> netsh interface tcp set global autotuning=normal
>
> disabled it sets a fixed TCP receive windows. ( 64Kb)
> so set it, reboot the pc, disable any antivirus and do the copy again.
>
> if you get the same speed, them im sure its something in you device/cables
> there for i suggest you replace the cable.
I just disabled autotuning and restarted the client and did the test again, but
same perf numbers.
What it means with respect to TCP window size 64Kb on disable and what exactly
the size at normal is it 1024?
and how you conclude with change in window size will have some change in perf
numbers.?
>
> and you cant tell me more about the arm device? mainboard model ( even its development )
>
> What i must say also, the speeds i mentions are on a "tuned" partions.
> aka.
> My movies are on a separated partion with 4MB block size.
> My music are on a separated partion with 1MB block size.
>
> and speed differences are there yes.
> movies, i always get the max speed, read and write.
> music, read about 80-100MB/s
> The 1K blocks partition, well depends on the size of the file. about 50-100MB/s
>
> also, install iotop and start it before the copy test.
> and see if you device can handle the speed.
>
>
> Greetz,
>
> Louis
>
>
>
>>-----Oorspronkelijk bericht-----
>>Van: Jagan Teki [mailto:jagannadh.teki at gmail.com]
>>Verzonden: woensdag 19 november 2014 11:08
>>Aan: L.P.H. van Belle; samba at lists.samba.org
>>Onderwerp: Re: [Samba] Tunning samba for better read performance
>>
>>On 19 November 2014 15:06, L.P.H. van Belle <belle at bazuin.nl> wrote:
>>> and as extra to mention.
>>>
>>> on samba 3.6.23 on ubuntu 14.04 i got the max speed 120Mb/s
>>> on a software raid 1, 2 x 5400rpm drives.
>>> same hardware as i mentions first.
>>> so i really suppect hardware problems.
>>
>>Ohh, So you meant to say - to dig on win 7 setup, what sort of
>>could you please
>>elaborate.
>>
>>>
>>> ( and im not often wrong ) sorry.. ;-)
>>>
>>> Greetz,
>>>
>>> Louis
>>>
>>>
>>>>-----Oorspronkelijk bericht-----
>>>>Van: belle at bazuin.nl [mailto:samba-bounces at lists.samba.org]
>>>>Namens L.P.H. van Belle
>>>>Verzonden: woensdag 19 november 2014 10:29
>>>>Aan: Jagan Teki
>>>>CC: samba at lists.samba.org
>>>>Onderwerp: Re: [Samba] Tunning samba for better read performance
>>>>
>>>>well, Im betting its not samba's problem but can try.
>>>>
>>>>I suggest first you try the win 7 speed changes, and change
>>>>the UTP Cable first and put the device on an other swich port.
>>>>My guest, its the cable..
>>>>
>>>>and here is my smb.conf. pretty basic.
>>>>
>>>># Global parameters
>>>>[global]
>>>> workgroup = INTERNAL
>>>> realm = INTERNAL.DOMAIN.TLD
>>>> netbios name = DC1
>>>> server role = active directory domain controller
>>>> server services = s3fs, rpc, nbt, wrepl, ldap, cldap,
>>>>kdc, drepl, winbin
>>>>
>>>> d, ntp_signd, kcc, dnsupdate
>>>>
>>>> interfaces = 127.0.0.1 192.168.1.1/24
>>>> bind interfaces only = yes
>>>> time server = yes
>>>> wins support = yes
>>>>
>>>>##---- disable printing completely
>>>> load printers = no
>>>> printing = bsd
>>>> printcap name = /dev/null
>>>> disable spoolss = yes
>>>>
>>>>[netlogon]
>>>> path = /home/samba/sysvol/internal.domain.tld/scripts
>>>> read only = No
>>>> acl_xattr:ignore system acl = yes
>>>>
>>>>[sysvol]
>>>> path = /home/samba/sysvol
>>>> read only = No
>>>> acl_xattr:ignore system acl = yes
>>>>
>>>>[media]
>>>> path = /media
>>>> read only = No
>>>> acl_xattr:ignore system acl = yes
>>>>
>>>>>-----Oorspronkelijk bericht-----
>>>>>Van: Jagan Teki [mailto:jagannadh.teki at gmail.com]
>>>>>Verzonden: woensdag 19 november 2014 10:16
>>>>>Aan: L.P.H. van Belle
>>>>>CC: samba at lists.samba.org
>>>>>Onderwerp: Re: [Samba] Tunning samba for better read performance
>>>>>
>>>>>On 19 November 2014 14:39, L.P.H. van Belle <belle at bazuin.nl> wrote:
>>>>>>
>>>>>>
>>>>>> What mainboard is this? aka a bit more info on the hardware.
>>>>>> It is a nas mainboard or something like that.
>>>>>
>>>>>Server: Target is ARM development board where 1GB RAM with dual core
>>>>>armv7 processor and
>>>>>Client: Windows 7, Intel Xeon with 8GB RAM.
>>>>>
>>>>>>
>>>>>> Im getting 115Mb/s read and write from a windows 7.
>>>>>> ( asrock E350 AMD board )
>>>>>
>>>>>I think this is a valid behavior, but I have very less
>>speed in read.
>>>>>Could you share your /etc/samba/smb.conf may be I will tune
>>>>>accordingly.
>>>>>>
>>>>>> 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'm not much concern about speed here, I need to be a read > write
>>>>>which is of identical
>>>>>and good performance.
>>>>>
>>>>>>
>>>>>> 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
--
Jagan.
More information about the samba
mailing list