[Samba] slow with one transfer, fast with multiple

David Olsson davidolsson at yahoo.com
Fri Jun 15 15:44:00 GMT 2007

> From: Andrew Morgan morgan at orst.edu

> On Mon, 11 Jun 2007, David Olsson wrote:
> > Running samba with Ubuntu, default configuration, one share, samba 
> > running as daemons rather from inetd.
> >
> > Copying one file between the share and another machine on the LAN is 
> > very slow.  Adding another copy and both transfers proceed very quickly.
> >
> > The client machines are Macs with recent OSX, and a Windows laptop. 
> > Same behavior.  If the second transfer is initiated on a different 
> > client, both transfers still speed up, dramatically.
> Sounds suspiciously like an ethernet duplex mismatch problem to me (one 
> end things the connection is half-duplex).

Something like that, I think.  Problem went away when we removed an ethernet switch box from the network.  Thanks much, you and other responders.


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