[Samba] Samba - XP performance problem

Jeremy Allison jra at samba.org
Thu Aug 11 19:06:16 GMT 2005


On Wed, Aug 10, 2005 at 11:05:06AM +0200, David Beck wrote:
> >>
> >>After spending a lot of time with investigation I decided to go 
> >>deeper in this issue. I installed ethereal to capture the traffic and 
> >>compare the results bw XP-Windows and XP-Tru64. The test was to copy 
> >>50Meg file to both servers and capture the packets. To my surprise 
> >>the conversation was quite different.
> >>
> >>XP-Windows (excerpt):
> >>- nt create and x
> >>- trans2: query file info internal
> >>- set file info
> >>- tcp data stream...
> >>
> >>XP-Samba (excerpt):
> >>- nt create and x
> >>- trans2: query file info internal
> >>- (query file info + write and x request) many times, incresing 
> >>offset, one byte length
> >>- tcp data stream....
> >>
> >>In case of XP-Samba, the last two steps are repeated many times.
> >>Large part of the effective bandwith is filled with query file info 
> >>and 1 byte writes.

I can't reproduce this on my XP vmware session. *exactly* how are
you getting this traffic pattern ?

Jeremy.


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