threads and VMS [Re: dce/rpc "client" api]

Martin Kuhne mkuhne at
Thu Aug 24 09:08:30 GMT 2000

-----Original Message-----
From: Andrew Tridgell [mailto:tridge at]
Sent: Thursday, August 24, 2000 7:55 AM
To: lkcl at
Cc: mastors at; jeremy at; samba-technical at
Subject: Re: threads and VMS [Re: dce/rpc "client" api]

> > this might explain why samba's performance ramps up from a factor of 2
> > worse than NT with small numbers of netbench clients, crossing over at
> > equal performance at around 12 clients, and overtakes by a factor of 2
> > large numbers of clients.

> I think you might have got this backwards Luke. The results I've seen
> show Linux/Samba beating NT for small numbers of clients and losing
> for larger numbers (at least with a 2.2 kernel). 

NT is definitely not optimized to deliver highest performance to
_individual_ clients. You will need a certain number of clients to see good
performance numbers.
So what Andrew says is quite likely.

Martin Kuhne
Escalation Engineer, Critical Problem Resolution (CPR)
Microsoft GmbH

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