Packet analysis: WinXP vs. Linux<->VMS shows dramatic differ ences

BG - Ben Armstrong BArmstrong at dymaxion.ca
Wed Sep 22 12:52:54 GMT 2004


> -----Original Message-----
> From: 
> samba-vms-bounces+barmstrong=dymaxion.ca at lists.samba.org 
> [mailto:samba-vms-bounces+barmstrong=dymaxion.ca at lists.samba.o
> rg] On Behalf Of COLLOT Jean-Yves
> Sent: Wednesday, September 22, 2004 9:47 AM
> To: 'John E. Malmberg'; 'samba-vms at lists.samba.org'
> Subject: RE : RE : Packet analysis: WinXP vs. Linux<->VMS 
> shows dramatic differ ences
> 
> > In order to see the slow behavior, the file transfer has to 
> be greater 
> > than 64,000 Kb.  With smaller files, it will not be seen.
> 
> Excuse me, but I don't agree. I just ran Ben's "ruby" bench, 
> which is creating that 10000 Kb file, and I can see the very, 
> very slow behaviour: it takes more than 36 seconds to run the 
> bench (compared to 2.35 seconds for running a simple COPY).
> 
> I thought Ben's bench results were the point, but I may have 
> misunderstood.
> Could you tell me exactly what kind of tests I could make in 
> order to reproduce that other kind of slow behaviour you are 
> referring to?

The confusion is a matter of blocks vs. bytes.  In my original message I
said that the pattern changes after the first 64K is written, not after
the first 64,000K is written.

Ben


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