[Samba] Poor performance when copying large files from a Samba
server to a PC
garydale at torfree.net
Mon Jun 25 23:59:14 GMT 2007
Do a search through the Samba list archives. This problem comes up from
time to time on this list.
Peter Lappo wrote:
> Does anyone else get poor performance when copying large files from a
> Samba server to a PC in a Windows XP / Samba Linux environment?
> Its faster copying from the PC to Samba by a factor of 12.
> I'll probably give up soon and buy a network attached storage device
> to save myself hours of messing around.
> Peter Lappo wrote:,
>> I get long pauses if I just drag and drop any large file using
>> windows explorer from the server to the client. So its not confined
>> to using a mp3 player.
>> The mp3 player works fine when using a local file or when streaming
>> from another windows xp machine. See stats below.
>> Sometimes there is a long pause before anything appears to happen.
>> Here are some interesting transfer times on a 30MB file.
>> Transfer times and network peaks according to Windows Task Manager
>> are shown.
>> When using Windows Explorer to drag and drop files (ie at the pc screen)
>> PC -> Samba 5 sec 60% network peaks, no pauses
>> Samba -> PC 1 minute 20% network peaks, significant pauses
>> When using Fedora Nautilus to drag and drop files (ie sitting at the
>> server screen),
>> PC -> Samba 15 sec 20% network peaks, no pauses
>> Samba -> PC 1 minute 5% network peaks, no pauses
>> When using Windows Explorer to drag and drop files, (ie drag and drop
>> between local and remote pc)
>> PC -> PC remote 5 sec 80% peak, no pauses
>> PC remote -> PC 5 sec 80% peak, no pauses
>> The smbstatus didn't change throughout.
>> The problem seems to be sending data from Samba to the client.
>> It would be interesting to try Samba to Samba transfers but I don't
>> have the equipment set-up to try this.
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