[Samba] Fw: Poor performance getting lots of small files with WinXP/Win2k vs OS2

Jeremy Allison jra at samba.org
Thu Sep 21 18:58:02 GMT 2006

On Thu, Sep 21, 2006 at 11:31:57AM +0200, Alain.Gorlier at altissemiconductor.com wrote:
> Hi,
> We're doing some of performance tests with Linux Samba v3.
> We're comparing WinXP/Win2k clients vs OS2 clients accessing a samba 
> server.
> For one test, we're coping 10.000 small files.
> Let's say, we run the command copy \\sambaserver\10000files\*.* 
> c:\data\10000files
> With an OS2 client it takes 23 seconds to complete.
> With an Windows client it takes  460 seconds to complete.
> Doing a Ethereal capture, the network usage is very different.
> OS2 :
> No.     Time        Source                Destination           Protocol 
> Info
> So, the performance difference is easy to explain....
> Is there a way to avoid such network usage on a winXP client ?  At the 
> client side ? At the Samba server side ?
> Looks like it's related to the Windows NTFS environment....

This is breakage on the Windows XP client. There's nothing
you can do except not use Windows, sorry. This is just what
those clients do.


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